5 causes of WW1 "MANIA"
Alliances: an agreement between two or more nations to work together on specific purposes.
Nationalism: a feeling or belief that people have that their contry is better or more important then any other.
Imperialism: extending a rule of a nation over foregin countries.
Archduke Franz Ferdinand: he was assassinated in the beginning of WW1 but it wasn't the main cause of the war.