Answer:
1. world war 1 created a labor sortage on factories in the northern states, african americans were urged to move to the north to make up for the workforce that had been recruited to fight in the war
2. i quite honestly don't know
3. during the great migration, african americans began to build a new place for themselves in public life, actively confronting racial discrimination as well as economic, political, and social challenges to create a black urban culture that would use large influences in the next decades
