I have chose primary source to be the answer. Check out the definition of "primary source." secondary wouldn't make sense here.
"A split in the Democratic Party" was one reason among the choices given in the question that transformed U.S. politics in the 1920s. . I hope that this is the answer that has come to help
They both build their own relationship in colonies
Your last one
the aztec gov was made up...loyal to their kings
