Mongol leader Genghis Khan (1162-1227) rose from humble beginnings to establish the largest land empire in history. After uniting the nomadic tribes of the Mongolian plateau, he conquered huge chunks of central Asia and China. His descendants expanded the empire even further, advancing to such far-off places as Poland, Vietnam, Syria and Korea. At their peak, the Mongols controlled between 11 and 12 million contiguous square miles, an area about the size of Africa.
Answer:
The primary reason the U.S. expanded its influence in foreign countries: Economic reasons – industrialization in the late 1800s increased the need to trade with other countries. ... Sales of American goods to foreign countries were important to the workers in the U.S.
Explanation:
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A, all the other answers would not make sense in the question.