The U.S. justified its involvement in the Vietnam War by stating that they were fighting against communism. At the time, the Soviet Union was seen as a huge threat and there was a rivalry between the two nations.
Answer:
What important ideas has the U.S. Constitution contributed to government?
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Explanation:
limited government, separate powers, federalism
The Inca. The Inca civilization ruled over 2,500 miles with almost 12 million people
The correct answer is Mexico.
Because of Mexico and their gulf of Mexico, the United States cannot control the entire gulf area. If the area changed hands and went to the United States, they could unite the two gulfs and have a huge control over the land and the ports in the new world. However, that's probably never going to happen so it stays this way for now.