Explain the downfall of the wetern african civilizations​

With the gradual abolition of slavery in the European colonial empires during the 19th century, slave trade again became less lucrative and the West African empires entered a period of decline, and mostly collapsed by the end of the 19th century.

Explanation:

answer: "as an obese disordered country that has great food and fun places but has a bad government"

explanation: my friend in britain told me this

the foundation of greek city-states: following the fall of the mycenaean civilization in the 10th century bc, the area surrounding the empire went through its own mini dark ages. answer and explanation