i need help!!!!! fast plz and thanks. mark as brainliest. i will love to help you with your answer as well if needed thank you. what caused the settlement of more african americans in the missisippi alluvial plain reigon than in the ozark mountains region. 2. why did the people from the appalachian mountains settle in the ozark mountains? 3. which region of arkansas is most influenced by african american culture and heritage?