A steppe is best described as a A vast area of grasslands B. dry riverbed that flows only when it rains C. huge wave, often caused by an earthquake D. seasonal wind that brings changes in weather patterns

Which factor contributed to the rise of african empires such as ghana and mali ? a. their creation and involvement in trade networks b. they focused only on agricultural production. c. they didn’t engage in warfare with other nations d. their geographic location protected them from attacks.