Based on this document, what can you infer about the characteristics of American Indian reservations? Check all that apply.

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some american cities felt workers were being oppressed by business monopolies

it was the "4. potsdam" conference that demanded the unconditional surrender of japan, since it was clear that the japanese would continue to find until the very last man otherwise.

the correct answer is:   the domino theory states that if one country in a region came under the influence of communism, then the surrounding countries would follow in a domino effect.