About 400,000 migrated to California.
They became migrant workers, moving from place to place to harvest crops.
Before the Great Depression, African Americans, Native Americans, and Mexican Americans were already on the lower rungs of the economic ladder.
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Created with images by Fibonacci Blue - "Tea Party tax day protest 2010" • FirmBee - "office freelancer computer" • Robb North - "Dust" • ResoluteSupportMedia - "091224-A-1843J-066"