How did slave trade lead to colonization of Africa?

Why is it useful for historians to base certain studies on the analysis of historical periods

Which of following most accurately describes china today?

How could a works-cited list a reader determine whether to believe the claims you make in an essay? a. by synthesizing your conclusions into a simple objective summary o b. by proving that your claims are supported with credible evidence ) c. by allowing you to make claims without quoting other writers o d. by providing a clear organizational structure to your essay