Letters would be an example of a primary source
<span>C. Jews from all over Europe were rounded up and murdered by the Nazis. D. Hitler offered to allow thousands of Jewish children to leave, but the U.S. refused to accept them. are the answers</span>
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Answer: The Great Migration
Explanation: During the Great Migration, African Americans ended up creating their own cities within big cities, one which happens to be Harlem**Harlem Renaissance** The black experience during the Great Migration also became an important theme in the artistic movement first known as the New Negro Movement which today is known as the Harlem Renaissance.
A. Serbian nationalist party wanted to anger Austria Hungary.