European balance of power
The European balance of power is the tenet in international relations that no single power should be allowed to achieve hegemony over a substantial part of Europe. During much of the Modern Age, the balance was achieved by having a small number of ever-changing alliances contending for power, which culminated in the World Wars of the early 20th century. After the World Wars, European global dominance faded and the doctrine of European balance was replaced with a worldwide balance of power involving the United States, Soviet Union and, in a later period, China as the modern superpowers.
Antiquity to Westphalia
The emergence of city-states (poleis) in ancient Greece marks the beginning of classical antiquity. The two most important Greek cities, the Ionian-democratic Athens and the Dorian-aristocratic Sparta, led the successful defense of Greece against the invading Persians from the east, but then clashed against each other for supremacy in the Peloponnesian War. The Kingdom of Macedon took advantage of the following instability and established a single rule over Greece. Desire to form a universal monarchy brought Alexander the Great to annex the entire Persian Empire and begin a hellenization of the Macedonian possessions. At his death in 323 BC, his reign was divided between his successors and several hellenistic kingdoms were formed.
Rome unified Italy around the same period and then rose to prominence in the western and eastern Mediterranean through the Punic and Macedonian wars. Such a rapid expansion was followed by the so-called 'Roman Revolution', when the Gracchi, the Servile Wars, the Social War and Sulla's civil wars shook the Italian peninsula. Meanwhile, the popularity and wealth of Roman generals increased: notably Julius Caesar acquired fame for projecting military power north of the Alps into Gaul, east of the Rhine into Germania and across the English channel into Britain. A group of senators afraid of Caesar's title of dictator for life assassinated him the Ides of March of 44 BC. The adoptive son of Caesar, Octavian Augustus, defeated the killers of his father and became the first Roman Emperor (Princeps) in 27 BC.
The Roman Empire peaked during the Pax Romana, stagnated during the crisis of the third century AD and ultimately split between the Latin West and the Greek East. Both parts of the Empire abandoned pagan polytheism in order to tolerate monotheistic Christianity and finally make it the state religion. The West collapsed around 476, following centuries of attacks by Germanic and Slavic peoples and several "barbarian" kingdoms were established on its former territory. The East continued to be ruled by the Byzantine Empire for an additional thousand years. Among the successor barbarian kingdoms in the West, that of the Franks was the largest, and under Charlemagne managed to unite most of present-day France, Germany, Switzerland, Austria, the Low Countries and Italy under one rule: he was subsequently crowned Holy Roman Emperor the day of Christmas in 800 by Pope Leo III. Meanwhile, the Iberian peninsula fell under Muslim control.
The Germanic Emperor (Holy Roman Emperor) and the Roman Pontiff (Pope in Rome) came to be known as the universal powers of Europe, but then entered in conflict during the investiture controversy and the clash between their factions. Their rivalry made possible the birth of autonomous city-states in northern Italy and the rise of an independent feudal monarchy in France under the House of Capet. Around the same period, the Norse Viking expansion was taking place with the Norman conquest of England happening in 1066 and that of Sicily in 1130. With the holy land lost to Islam and the Byzantine Empire seeking help from Turks, the Pope initiated the crusades against Muslims in an attempt to restore Christian unity following the Eastern Schism of the Orthodox from the Catholics.
Most of the crusades did not achieve their objective, but some of them had a massive impact on the political and economic landscape of Europe: the first crusade (1099) re-opened the trade routes in the Mediterranean and ushered the commercial revolution; the fourth crusade (1204) resulted in the formation of the Venetian maritime empire; and the sixth crusade (1228) temporarily made Frederick II, heir of both the Kingdom of Sicily and the Holy Roman Empire, also King of Jerusalem. At the same time, the Reconquista of Christian forces was taking place in the Iberian peninsula and the kingdoms of Portugal, Castile and Aragon were formed. A vast part of the French nobility took part in the crusades under the leadership of their king: this made possible the formation of a strong centralized French monarchy. The rise of medieval France began with the Battle of Bouvines (1224) and the Avignon Papacy (1309) but ended with the outbreak of the Hundred Years' War (1337) with England and the return of the papacy to Rome (1378). As Europe recovered from the Black Death, a Renaissance in art and science began in Italy and spread to the rest of the continent.
Portugal formed the first European colonial Empire in 1415 with the conquest of Ceuta. In 1453, the French expelled the English from their land and the Ottoman Turks caused the Fall of Constantinople, initiating the rise of the Ottoman Empire in Europe. At the end of the 15th century, Spain was formed following the marriage of Isabella I of Castile and Ferdinand II of Aragon. Portugal and Spain, followed by France and England, ushered the Age of Discovery. During the early 16th century, France and the Habsburg clashed during the Italian Wars. In 1519, Charles V of Habsburg, already Duke of Burgundy, King of Spain, and Archduke of Austria, became Holy Roman Emperor and initiated a long rivalry with Francis I of France and the Ottoman sultan Suleiman the Magnificent. He ordered the conquistadores to annex the Aztec Empire and conquer the Incas and made use of the gold and silver coming from the Americas to finance the defence of his German territories in Austria from the Ottoman Empire (Siege of Vienna) and of his Italian territories in the Duchy of Milan from France (Battle of Pavia). Styling himself as the protector of Catholicism, he resigned because of the growth of protestantism and split his territories between a Spanish Empire led by Philip II of Spain and a Holy Roman Empire of the German Nation led by Ferdinand I.
The papacy launched the Catholic revival in an attempt to halt the growth of Protestantism and Ottoman expansion. Despite some successes, such as the Battle of Lepanto (1571) and the Siege of Paris (1590), the Anglo-Spanish War and the Long Turkish War questioned the Catholic ambitions. Ultimately, the Papacy lost its status and influence with the Thirty Years' War (1618-1648) and many Protestant states experienced a golden age: the Netherlands (having obtained independence from both the Holy Roman Empire and the Spanish Habsburgs) formed the Dutch East India Company in Indonesia; Sweden formed an empire in northern Europe; and England began the colonization of North America. By the Treaty of Westphalia at the end of the Thirty Years' War, the Holy Roman Empire became a more decentralized entity in which constituent states, such as Prussia (which also had lands outside the Empire), were allowed to pursue their own foreign policy independent of that of the Austrian Habsburg Emperor. The Austrian Habsburgs also controlled some states outside of the Holy Roman Empire. It was France who took the status of dominant continental power from the Habsburgs thanks to the Treaty of Westphalia and the Treaty of the Pyrenees.
English foreign policy
In the 16th and 17th centuries, English foreign policy strove to prevent a creation of a single universal monarchy in Europe, which many believed France or Spain might attempt to create. To maintain the balance of power, the English made alliances with other states—including Portugal, the Ottoman Empire, and the Netherlands—to counter the perceived threat. These Grand Alliances reached their height in the wars against Louis XIV and Louis XV of France. They often involved the English (later the British) and Dutch paying large subsidies to European allies to finance large armies.
In the 18th century, this led to the stately quadrille, with the major European powers of that century—Austria, Prussia, Great Britain, and France—changing alliances multiple times to prevent the hegemony of one nation or alliance. A number of wars stemmed, at least in part, from the desire to maintain the balance of power, including the War of the Spanish Succession, War of the Austrian Succession, the Seven Years' War, the War of the Bavarian Succession and the Napoleonic Wars. Following Britain's success in the Seven Years' War during which it was allied with Prussia, many of the other powers began to see Great Britain as a greater threat than France. Several states, most particularly France, entered the American War of Independence in the hope of overturning Britain's growing strength by securing the independence of the Thirteen colonies of British America.
After the end of the Napoleonic Wars, during which France directly or indirectly controlled much of Europe except for Russia, and the Holy Roman Empire was dissolved, the Concert of Europe tried to maintain the balance of power. The territorial boundaries agreed to by the victorious Great Powers (Prussia, Austria, Russia and Great Britain) at the Congress of Vienna in 1815 were maintained, and even more important there was an acceptance of the theme of balance with no major aggression. Otherwise the Congress system says historian Roy Bridge, "failed" by 1823. In 1818 the British decided not to become involved in continental issues that did not directly affect them. They rejected the plan of Tsar Alexander I to suppress future revolutions. The Concert system fell apart as the common goals of the Great Powers were replaced by growing political and economic rivalries. Artz says the Congress of Verona in 1822 "marked the end." There was no Congress called to restore the old system during the great revolutionary upheavals of 1848 with their demands for revision of the Congress of Vienna's frontiers along national lines.
Britain, with its naval, maritime, commercial and financial dominance, was committed to the European balance of power after 1815. Before 1850 Britain and France were the strongest powers in Europe, but by the 1850s they had become deeply concerned by the growing power of Russia, which had expanded westward towards Central Europe, and Prussia, which was increasingly assuming greater control and influence over the German lands, aside from Austria. The Crimean War of 1854–55 and the Italian War of 1859 shattered the relations among the Great Powers in Europe.
The creation in 1871 and rise of the Prussian-led German Empire (excluding Austria) as a dominant nation (Prussia had quickly defeated both Austria and France in wars) restructured the European balance of power. For the next twenty years, Otto von Bismarck managed to maintain the balance of power, by proposing treaties and creating many complex alliances between the European nations such as the Triple Alliance.
After 1890, the German Emperor Kaiser Wilhelm set out on his imperialist course of Weltpolitik ("world politics") to increase the empire's influence in and control over the world. Newly created alliances were proven to be fragile, something that triggered the First World War in 1914 with Germany and Austria-Hungary on one-side against Great Britain, France, Italy and Russia (until 1917) on the other. One of the objectives of the Treaty of Versailles, the main post-World War I treaty, was to abolish the dominance of the 'Balance of Power' concept and replace it with the (global) League of Nations and to form countries based mostly on ethnicity (although the diminished Austria containing only its German-speaking lands and the majority-German areas of the Czech lands were not permitted to join Germany).
This idea floundered as Europe split into three principal factions in the 1920s and 1930s: liberal democratic states led by the UK and France, communist states led by the Soviet Union, and authoritarian nationalists led by Germany and Italy. The failure of the democratic states to prevent the advance of Nazi Germany ultimately led to the Second World War, which led to a temporary alliance between the UK and the Soviets. The UK did not condemn the Soviet invasion of Poland in 1939, but declared war on Germany. Later they sided with the Soviet Union against Germany after the Axis invasion of the Soviet Union.
Post-World War II: Cold War period
During the post-Second World War era the Allies split into two blocs, a balance of power emerged among the Eastern Bloc (affiliated with the Soviet Union and the Socialist nations of Central and Eastern Europe), the Western Bloc (affiliated with the Western democracies, particularly France, the United States, and the United Kingdom), and neutral or non-aligned countries (including Ireland, Sweden, Switzerland, Austria and Yugoslavia) with Germany divided between the Western Block (northwest and southern portions of former country) and the Eastern Bloc (northeast portion, including most of Prussia's former lands) until 1989. The majority of the European democratic nations, together with Canada and the US, came together under the military alliance of NATO, which continues to this day and has expanded to other countries in Europe. The first NATO Secretary General, the British Lord Ismay, famously stated the organization's initial goal was "to keep the Russians out, the Americans in, and the Germans down."
Post-Cold War era
From the late 20th century, the successor state of the Soviet Union — the Russian Federation, being a potential superpower, has been a major great power, as well as a regional power in world politics, making it the primary geopolitical force in Europe. However, the four most powerful members of the European Union — the UK, France, Italy and Germany — are referred to as the Big Four of Western Europe. They are major European powers and the only EU countries individually represented as full members of the G7, the G8 and the G20. The NATO Quint is made up by the United States and the Big Four.
The term G4 is especially (although not only) used to describe meeting of the four nations at the leaders' level. In addition, the term EU three (or G-3) is used to describe the grouping of foreign ministers from France, the UK and Germany (now re-unified) during the Iran nuclear talks. On the other hand, the grouping of interior ministers that includes Spain and Poland is known as the G6. Germany (which has the largest economy in Europe) is often regarded as the EU's economic leader, such as with the ongoing European sovereign debt crisis, whilst France and the United Kingdom (both permanent members of the UNSC) often lead in defence and foreign policy matters, such as the intervention in Libya in 2011. This, to an extent, represents a balancing of leadership power for the Western sphere of the continent. How this balance will change after the Brexit vote in 2016 is still an open matter.
There continues however to be a wider, strategic balance of Western and (now) Russian power, albeit with the boundary between the two pushed further east since the collapse of the Soviet Union, with many former Communist countries in central Europe having since joined the EU and NATO.
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