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World War One - Causes

The first world war began in August 1914. It was directly triggered by the assassination of the Austrian archduke, Franz Ferdinand and his wife, on 28th June 1914 by Bosnian revolutionary, Gavrilo Princip.

This event was, however, simply the trigger that set off declarations of war. The actual causes of the war are more complicated and are still debated by historians today.

Click on the topics below to learn more about what caused World War One.

Alliances    Imperialism    Militarism    Nationalism    Crises

 

Alliances

An alliance is an agreement made between two or more countries to give each other help if it is needed. When an alliance is signed, those countries become known as Allies.

A number of alliances had been signed by countries between the years 1879 and 1914. These were important because they meant that some countries had no option but to declare war if one of their allies. declared war first. (the table below reads clockwise from the top left picture)

1879
The Dual Alliance
Alliances
Germany and Austria-Hungary made an alliance to protect themselves from Russia
1881
Austro-Serbian Alliance
Alliances
Austria-Hungary made an alliance with Serbia to stop Russia gaining control of Serbia
1882
The Triple Alliance
Alliances
 Germany and Austria- Hungary made an alliance with Italy to stop Italy from taking sides with Russia
1914
Triple Entente (no separate peace)
Alliances
Britain, Russia and France agreed not to sign for peace separately.
Arrows 1894
Franco-Russian Alliance
Alliances
 Russia formed an alliance with France to protect herself against Germany and Austria-Hungary
1907
Triple Entente
Alliances
 This was made between Russia, France and Britain to counter the increasing threat from Germany.
1907
Anglo-Russian Entente
Alliances
This was an agreement between Britain and Russia
1904
Entente Cordiale
Alliances
This was an agreement, but not a formal alliance, between France and Britain.

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Imperialism

 Imperialism is when a country takes over new lands or countries and makes them subject to their rule. By 1900 the British Empire extended over five continents and France had control of large areas of Africa. With the rise of industrialism countries needed new markets. The amount of lands 'owned' by Britain and France increased the rivalry with Germany who had entered the scramble to acquire colonies late and only had small areas of Africa. Note the contrast in the map below.

Map of Empires 1914
Click map to enlarge

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Militarism

Militarism means that the army and military forces are given a high profile by the government. The growing European divide had led to an arms race between the main countries. The armies of both France and Germany had more than doubled between 1870 and 1914 and there was fierce competition between Britain and Germany for mastery of the seas. The British had introduced the 'Dreadnought', an effective battleship, in 1906. The Germans soon followed suit introducing their own battleships. The German, Von Schlieffen also drew up a plan of action that involved attacking France through Belgium if Russia made an attack on Germany. The map below shows how the plan was to work.

Schlieffen Plan

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Nationalism

 Nationalism means being a strong supporter of the rights and interests of one's country. The Congress of Vienna, held after Napoleon's exile to Elba, aimed to sort out problems in Europe. Delegates from Britain, Austria, Prussia and Russia (the winning allies) decided upon a new Europe that left both Germany and Italy as divided states. Strong nationalist elements led to the re-unification of Italy in 1861 and Germany in 1871. The settlement at the end of the Franco-Prussian war left France angry at the loss of Alsace-Lorraine to Germany and keen to regain their lost territory. Large areas of both Austria-Hungary and Serbia were home to differing nationalist groups, all of whom wanted freedom from the states in which they lived.

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Crises

Moroccan Crisis

 In 1904 Morocco had been given to France by Britain, but the Moroccans wanted their independence. In 1905, Germany announced her support for Moroccan independence. War was narrowly avoided by a conference which allowed France to retain possession of Morocco. However, in 1911, the Germans were again protesting against French possession of Morocco. Britain supported France and Germany was persuaded to back down for part of French Congo.

Bosnian Crisis

 In 1908, Austria-Hungary took over the former Turkish province of Bosnia. This angered Serbians who felt the province should be theirs. Serbia threatened Austria-Hungary with war, Russia, allied to Serbia, mobilised its forces. Germany, allied to Austria-Hungary mobilised its forces and prepared to threaten Russia. War was avoided when Russia backed down. There was, however, war in the Balkans between 1911 and 1912 when the Balkan states drove Turkey out of the area. The states then fought each other over which area should belong to which state. Austria-Hungary then intervened and forced Serbia to give up some of its acquisitions. Tension between Serbia and Austria-Hungary was high.

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World War One Alliances Worksheet
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