As Lincoln debated what to do with Reconstruction, he wanted to make sure he stayed in line with "<span>1. The constitution," since Lincoln, unlike the Radical Republicans, wanted the nation to "heal" as quickly as possible instead of punishing the South. </span>
Well first and the foremost this was one of the largest migrations in human history. The Bantu moved a lot across Africa and the contact with other cultures enriched their own and in response their culture influenced a lot of others. So the just the massive scale of the migration was what overwhelmed the other tribes.
Because he thought that they would help pull out of the great depression hope this helps
U really dont know the answer for the question you asking