The expansion of European nations as empires (also known as imperialism) can be seen as a key cause of World War I, because as countries like Britain and France expanded their empires, it resulted in increased tensions among European countries
Trick to learn causes of world war 1 :
The M-A-I-N acronym is often used to analyse the war – militarism, alliances, imperialism and nationalism.
Nationalism. As Manifest Destiny was geared towards more of the individual people's growth (i.e go-getters) compared to Nationalism; the growth and advancement of the nation's people's as a whole.
