The answers in order would be B, A, and B. Hope this helps!
The answer is A. When Europeans first discovered the Americas, they used indigenous peoples as slaves. Eventually, the natives who weren’t immune to new diseases died. This caused the need for cheap labor, in which case came from Africa.
On the most basic level, the ancient river valley civilizations influenced classical empires because they influenced civilization, period. The river valley civilizations are the most lasting and historically attested instance of the greater phenomenon of humans moving from a nomadic lifestyle based on hunting and herding to a sedentary one based on agriculture.
<span>1) educated people of the Middle Ages did NOT think (nor did the Church teach) that the earth was flat!! They had known otherwise for over two millennia! (Opposition to Columbus's plans was based on the belief that the world was LARGER than he thought, and the voyage too far to make safely. In fact, his CRITICS were correct about the earth's size!)
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One of the ways in which the United Kingdom's role in the events leading to World War I was different from that of Germany was that "<span>b. The United Kingdom was a member of the Triple Entente, while Germany was a member of the Triple Alliance," since this had been established before the outbreak of war. </span>