The ________________ destroyed _________________ in the South in the early 1900s, which caused farms to fail. Sharecroppers were unable to survive this disaster. Beginning around World War I, about ________ million African Americans left the ________________ to move to ___________ in the North and Midwest. There were ____________ jobs available there because World War I slowed immigration, and many workers joined the military. Before 1910, ________ of Black people lived in the South. By the 1970s it was _________ that number. This led to conflict in Northern cities due to racism. It also led to the _______________________ , which was an explosion of art, music, and literature in New York City.