YOU'R MAMA visited the court of kublai khan
There were many reasons. For starters, it involved getting rid of a large number of Native Americans, and while some supported this, others opposed it as they were peaceful. Another thing was that this meant the introduction of new states and it deepened the division based on whether the states should be slave states or non-slave states. Also they involved war with Mexico and some wanted this and some didn't.
Answer:
Congress
Article 1 of the Congress is huge (just did a project), detailed explanation of the house and senate.
Answer:
The answer is (A) Seeking to expand influence and power by taking over other countries.