I believe the correct answer should be B.
B
Hitler blamed the Jews for Germany’s loss in ww1 and everyone agreed with him which lead to the mass genocide
As part of being readmitted to the Union, states had to ratify the new amendments to the Constitution. The Union did a lot to help the South during the Reconstruction. They rebuilt roads, got farms running again, and built schools for poor and black children. Eventually the economy in the South began to recover.
The system kept many farmers in debt to merchants and banks.