Answer:
The Great Migration was the movement of some six million African Americans from rural areas of the Southern states of the United States to urban areas in the Northern states between 1916 and 1970.
Explanation:
A substantiated opinion is best supported by facts, like : studies, data, and research.
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Answer:
c: The Sumerians among the first writings of any kind c. 3500 BCE
Explanation:
Sumer or Sumeria is still thought to be the birthplace of slavery, which grew out of Sumer into Greece and other parts of ancient Mesopotamia.
