D. <span>A primary source is written by someone who saw the event, but a secondary source is not.
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Slavery was most common in the south because of tobacco, cotton, sugar cane, and etc which was not grown in the north
Answer:
They were pressured.
Explanation:
According to DuBois, the freedmen were convinced to stop voting or taking part in political events through economic pressure such as getting jobs or raising incomes.