D. Duke Ellington was a big band leader that wrote music
Answer:
African countries that were colonized because of imperialism did not benefit.
Explanation:
The people who colonized them (mostly Britain and France) stole their resources and enslaved their people. Many African countries never got a chance to develop because of Western European imperialism.
I was 1963 or 1964. This is because World War just finished about a decade ago and starting to form a peaceful country.