Answer :
The great migration in american history is when many african american families moved from the south to the north in search of jobs and less terrorist attacks on their families, so in a sense freedom from overt oppression. the migration period started around 1910 and lasted until the 1930s A second wave began after the great depression.
The Great Migration was the movement of over a million African Americans out of the rural Southern United States from 1914 to 1950. African Americans migrated to escape the widespread racism of the South, to seek out employment opportunities in urban environments, and to pursue what was widely perceived to be a "better life" in the North.