Generally speaking, unequal distribution of wealth means that land and money are controlled by a small few, who usually have control over these things because they've manipulated the legal system in a way that favors them.
In economics, the Soviet Union practiced SOCIALISM while the United States practices CAPITALISM.
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I don't know where isolationism would go, put it in the last blank
A Augustus was responsible for that
If you boil water, it turns to water vapor to form gas.
