It is false! I quote 'False' Believe Me M8
The first, the multiregional hypothesis suggests that humans evolved from Homo erectus outside of Africa. ... The second hypothesis, or the African replacement hypothesis, suggests that Homo sapiens left Africa and then inhabited the rest of the Old World, replacing primitive humans that had already left Africa.
Who started the KKK? That was the Democrats
racism and the south removing slavery did
they targeted disabled people, black people, people of color, gay people
The answer to your question is the Missouri Compromise.