For the duration of the 20th century, 6 million African Americans still left the South for cities like New York, Chicago and Los Angeles. The Good Migration altered American culture. It altered the life of these who left and individuals who stayed behind. In “A Movement in Each individual Way,” a new show that opens Friday at the Mississippi Museum of Artwork, a dozen top up to date Black artists ended up asked to explore how the Fantastic Migration affected the nation and their very own family members. “All of them have a link to the Good Migration and about half of them have ancestral ties to Mississippi,” reported MMA’s Main Curator Ryan N.…