How did nationalism among european nations contribute to imperialism

War started mainly because: Militarism, Alliances, Imperialism and Nationalism. Big armies become threats to other countries then other countries force alliances

The overall cause of World War was the assassination of Archduke Franz Ferdinand.

answer: hamilton

explanation:

ww1 weapons: tank. tanks were used for the first time in the first world war at the battle of the somme. they were developed to cope with the conditions on the western front. the first tank was called 'little willie' and needed a crew of 3.