Explain why the united states needed to expand its trade into new markets

Explanation:

Resources is power, so in order to achieve a power Nation, we need to expand and make act of presence in other markets. With this we will be able to benefit for the resources that other lands have. It's most likely the empire centuries ago. Their expansion was always motivated for power and money.

answer; i believe that the correct answer is (chronological order);

d) a constitutional amendment