Why did so many Africa Americans go north?

The rapid mobilization of resources and weapons during World War II prompted many African Americans to migrate to Northern and Western cities in search of jobs in the booming munitions industry. ( world war II)

The Great Migration was the relocation of more than 6 million African Americans from the rural South to the cities of the North, Midwest and West from about 1916 to 1970. ( world war I)

Explanation:

A date was not specified but i hope this is what you meant!

china unilaterally claims the entire south china sea as sovereign territory, then builds artificial islands to bolster its claim. it suddenly activates an air defense identification zone over the east china sea, and threatens to down any aircraft that does not report its position. it builds roads into indian territory, then redraws the maps to show that it is actually chinese territory. the people's republic under president xi jinping is quickly becoming the bully of asia.