The US was the most productive country in the world. It produced many things and needed to sell them.
B because the king prevented any settling past or on the mountains.
5. is the US has unequal economic opportunities.
6. Correct! Seminole War.
7. Adams-Onis Treaty.
8. Correct, slave revolt.
9 . Alien and sedition acts.
10. Correct, it was important for transportation of goods.