What role did the geography of the Sahel play in the rise of the medieval African kingdoms?It provided access to the large ports on the Atlantic. The lack of fresh water made rulers here more warlike. It provided a place for trade between the North and the South. The desert was difficult for outsiders to invade.

whose power in the senate is equal to the power of the speaker of the house?

no options provided, here,but the answer to this question is often: a historian cites a japanese newspaper article published a year after the end of world war ii in order to draw conclusions about the effect of the war on the japanese economy.

clearly from the answer, the historian alludes to historical sources,and records to aid in analyzing and drawing conclusion on the effect of the war on the economy of japan.