They won the war and paid Mexico
That we need to learn the cultures
With the clear differences between northern and southern areas in terms of economy and politics, immigrants going to northern areas, and with the fear that the southern interests, including slavery, in congress would be weakened caused the southern people (mainly represented by whites) to cease from the Union.
Answer:
C. Draw conclusion based on the given information.
Almost certain the answer to the second question is United States had Japan disassemble their air force and military. I think they only have a defensive navy