What were the main causes of world war i?

The four main causes are:

Mutual Defense Alliances,Imperialism,Militarism,Nationalism,Assassination of Archduke Franz Ferdinand

Explanation:

World War I happened between July 1914 and November 11, 1918.The overview of the most frequently-cited issues that commenced to war are. Imperialism is when a country develops their power and wealth by making additional territories under their administration. The increasing competition and will for greater empires pointed to an increase in a confrontation that helped push the world into World War I.Much of the beginning of the war were based on the request of the Slavic peoples in Bosnia and Herzegovina to no longer be part of Austria Hungary but preferably be part of Serbia. The important cause of World War I that made the aforementioned items come into play (alliances, imperialism, militarism, nationalism) was the murder of Archduke Franz Ferdinand of Austria-Hungary.

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