How did the enslavement of black people help white americans?

The enslavement of black people help white americans by doing the work that the white people. The whites had no one else to compete with. The whites had better opportunities.

Explanation:

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the supreme court plays a big role in government. the constitution gives them ability to check the president and the congresses actions and dictate if their actions are allowed by the constitution or not.

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a is the final ! : )