It’s sounds pretty good to me maybe you should add another sentence or not it’s already good to me though :)
Answer:
Containment was a United States policy using numerous strategies to prevent the spread of communism abroad. A component of the Cold War, this policy was a response to a series of moves by the Soviet Union to enlarge its communist sphere of influence in Eastern Europe, China, Korea, and Vietnam.
Explanation:
Fort Union was established to protect the cimarron route of the Santa Fe trail due to incessant attacks from the Indians. The Indians used to attack the American travelers who passed through that route.
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A. American independence and democracy