After 1865, thousands of settlers moved onto the Plains. Freed slaves went there to start a new life as freemen, or to escape economic problems after the Civil War. European immigrants flooded onto the Great Plains, seeking political or religious freedom, or simply to escape poverty in their own country.
Answer:
I think it should be A and B.
Explanation:
its A and B because you have to tell what the problem is then explain.
Get out of the answer/question first then come back after a few seconds. there should then be a “mark brainliest” option in blue
It’s B I believe I hope this help