WW1 causes

 World War 1 causes

Militarism is the tendency to regard military efficiency as the supreme ideal of the state and to subordinate all other interests to those of the military.

Imperialism Alliances are a formal agreement or treaty between two or more nations to cooperate for specific purposes.

is the policy of extending the rule or authority of an empire or nation over foreign countries, or of acquiring and holding colonies and dependencies.

Nationalism is the policy or doctrine of asserting the interests of other nations or the common interests of all nations.

The spark that started World War 1 was the assassination of Austria’s Archduke Franz Ferdinand and his wife Sophie. The assassination occurred on June 28, 1914 while Ferdinand was visiting the city of Sarajevo in the Austria-Hungarian province of Bosnia-Herzegovina.

On May 7, 1915, the British Ocean liner RMS Lusitania, which primarily ferried people and goods across the Atlantic Ocean between the United States and Great Britain, was torpedoed bay a German U-boat and sunk.

Early in 1916 Germany had instituted a policy of unrestricted submarine warfare, allowing armed merchant ships - but not passenger ships - to be torpedoed without warning.

The Sussex Pledge was a promise made in 1916 during World War 1 by Germany to the United States prior to the latter's entry into war.

The message came as a coded telegram by the Foreign Secretary of the German Empire, Arthur Zimmerman, on January 16, 1917 to the German ambassador to Mexico, Heinrich von Eckardt.