Final answer:
The Great Migration during World War I was driven by the demand for factory workers in the North due to white men being overseas, leading to a significant movement of African Americans seeking job opportunities and to escape racial injustice.
Explanation:
The Great Migration of African Americans during World War I was largely caused by the need for factory workers in the north as white men were shipped overseas. Northern factories recruited Southern black men for work, leading to a significant movement of African Americans to Northern cities for job opportunities and to escape racial injustice.
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