Answer:
the answer is roman powers
Explanation:
Slavery was incredibly divisive because the Us was expanding into the west, and each new state had to decide whether it was going to be "slave" or "free", so there was no middle ground in terms of how the extension of slavery would unfold. This led to the Civil War.
The part of China that Japan invaded in 1931 was known as "Manchuria," and they did this mostly in order to gain precious natural resources that they greatly lacked.
