Independence from their former colonial masters.
It means world war 1 or world war 2 but it means wars Colonial rivalry is tension between country, its not actually war. Its the tension before the war starts.
Colonial people renewed their drive for independence from European powers
The aftermaths of world war two caused most African countries to demand for land reforms. The African people started to demand for end of colonial rule and the stop of slave trade in the colonies. Colonialists then appreciated the fact that African people required their own governments.
Self determination
To device their own government
World War I was only truly considered a world war because European countries relied on their colonies and its people to support the war. Colonial peoples were enlisted in the army and fought in battles in Europe. They were referred to as 'Boots' by the Germans because of their dark skin.
World War Two, over 70 Million people died. However, it's disputed. But World War Two has the highest probability of causing the most fatalities. Others that possibly top it are: Mongol Conquests European Invasion of the Americas (Colonial Era)
Self determination
They had fought for their colonial masters in the war.
Push: War& Communism Pull: Freedom & Better Life
because of colonial aspirations of germany
Former colonial nations became independent.