The post World War scenario was highlighted by the fall of some colonial powers and the rise/peaking of some others. A redistribution of colonies and territories took place following the Treaty of Versailles. Germany was the biggest loser, while Britain and France gained the most new territories
These were called the Palmer raids and were a part of the red scare. He did it because they were accused of being communists and anarchists, or were just too much left and liberal. This was out of fear that they might get enough people and start their own revolution in the country.
1. The Yoruba and the Kingdom of Nri
2. Benin Empire
The Establishment of Hausa Kingdom
Haiti payed France 21 billon
Yes, in some areas Euopean impeialism was still eient after WW1.