One of the most important social changes of the war years was the migration of hundreds of thousands of African Americans from the rural South to California to work in defense plants and shipyards. This became known as the ""Great Migration.""

The statement is False

Explanation:

While it is true that a large number of African Americans immigrated to California during the war years to work in the defense industries that were set up there (especially in Los Angeles metropolitan area), that migration is not known as the "Great Migration".

What historians refer to as the Great Migration, is the migration of African Americans from the South, to the industrial cities in the North, during the first decades of the twentieth century.

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the correct answer is: the fact that the anti-federalist papers were considered poorly written.