To what extent the legacies of Western Imperialism are responsible for political, economic, and social malaises shared by Sub Saharan African nations today?

Here is our question: part 1. To what extent the legacies of Western Imperialism are responsible for political, economic, and social malaises shared by Sub Saharan African nations today? part 2. Choose three Sub Saharan countries that demonstrate how the people of this region are still suffering from the legacies of western imperialism. Textbook used for this class: REGIONS by DeBlij, Muller, Nijman