Long term rivalry between the
Great Powers of Europe
Tensions intensified before
the first world war.
Conflict and competition emerged
over the size of the armed forces
and an arms race developed.
arms race between Britain & Germany over
naval armaments and Germany, France &
Russia over army size.
Problems in the Balkans
Conflicts and power struggles that took place in the
Balkans were a source of instability before the war
The Ottomans had controlled
the area but their grip had
weakened
In 1908 Austria-Hungary
annexed Bosnia, a
multi-ethnic state
containing man serbs
The alliance system
Formation of 2 groups of alliances
added to tensions in Europe
France, Britain and Russia
formed the Triple Entente
Germany, Austria-Hungary and
Italy joined together in the Triple
Alliance
Germany feared the possibility
of fighting, against Russia and
France
Developed the Schlieffen Plan
The murder of Franz Fedinand
28th June 1914
Killed by Gavrilo Princip
heir to the Austro-Hungarian throne
The murder was organised by
Serb nationalists who wanted
Bosnia to unite with Serbia
Russia, concerned to prevent
Austria-Hungary from gaining more
territory from Serbia, mobilised their
army and the Austrians (backed by
Germany) invaded Serbia on July 19th