Negative Effects:
Colonialism's impacts include environmental degradation, the spread of disease, economic instability, ethnic rivalries, and human rights violations—issues that can long outlast one group's colonial rule.
Positive Effects:
European colonialism in africa brings a positive impact such as : Religious can be used as a spiritual basis for African society, build a school for education of Africans' children, hospital for a better healt of Africans' society as well as in economic field, European build a markets.