If you list what opinion, I could probably help you out!
Thousands of Allied troops were marched to their death as they walked to their prison camp. They were treated miserably, often hit and told to march all day.
Very few of the many Allied troops that marched survived
hope this helps
Lack of natural resources
Africa started to be decolonized ~1945 - 1960, so i believe it was
C. the end of world war II
i'm not so sure tho
but hope this helps