In 1871 there were four African Americans members of Congress, but only three states were represented, Explain?

explanation:

the president, prime minister, chief justice, speakers and ministers take their oath of office. the oath is taken in bengali

explanation:

the addition to geographic boundaries that might have  kept the people of the huang river civilization from traveling to far distance region is that they had learned about the other river valley civilizations but feared contact would bring invasion.

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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.

when arthor pulls out the sword

explanation:

becase he becomes !