What was the major cause of african american to migration from southern rural areas the northern cities during ww1

The major cause of African Americans to migrate from the Southern rural areas to the Northern cities during World War I was because they were not satisfied with the economic opportunities and the segregation laws of the South. They took the opportunity in the Northern cities because of the high need of industrial workers/

Americans often speak of their country as one of several large regions.  these regions are cultural units rather than governmental units --  formed by history and geography and shaped by the economics, literature and folkways that all the parts of a region share. what makes one region different from another? a region's multicultural heritage as well as distinct demographic characteristics like age and occupation make regions different and special. within several regions, language is used differently and there are strong dialects. there are also differences in outlook and attitude based on geography.