Actually the answer is A.
Answer:
One of the principles is the popular sovereignty principle. This means that the rule of the country belongs to the people instead of a sovereign and these people vote on governments. This way you ensure democratic principles and equality among people. If it wasn't for that then there would be a high chance of imposing tyranny like European countries had.
Explanation:
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The first one is incorrect because both of those happened during the founding and growing of the U.S.
The second one is correct because the U.S. used different form of propaganda to scare people away from communism, which lead to the Red Scare. Also we successfully kept communism from spreading to many countries that were close to falling into that form of government with the method of containment.
The third one is incorrect because the <span>Good Neighbor Policy was toward the Latin Americas, not toward any communist state.
The fourth one is incorrect because we were not isolated in our foreign policy, which is why we entered the Cold War and won against communist Russia.
Hope this helps!
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