Answer:
Triangle Trade
Explanation:
Please correct me if i'm wrong
<span>D. To support anti-communist rebel groups
The United States wanted to keep the communism from spreading to the other areas of the world. It supported the Contra rebels in Nicaragua because of its goal to fight against a regime that was influenced by the communists such as the Sandinistas.<span>
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The answer to your question is C Boston
I believe it was A; Necessary and Proper Clause
I am sorry if this was incorrect
Have a nice day :)