What is the major question facing the United States after the War with Mexico?

List three reasons why explorers began to explore new, and old areas. [[ps: doesn't explicitly say where. i think it's more in general.

-what is one question you might ask after reading the fred munguia's story?

Leah deposited $50,000 in the bank. three years later, she borrowed $40,000 for a new truck. from this description, which is the most accurate statement?