Question

The expansion of the continental United States was made complete by

Answer 1

Answer:

Treaty of Guadalupe Hidalgo

Explanation:

The Treaty of Guadalupe Hidalgo, signed by chief negotiator Nicholas P. Trist on February 2, 1848, and approved by the U.S. Senate on March 10, 1848, ended the war, opened a dramatically different chapter in U.S. relations with Mexico, and nearly completed America's continental empire.

Answer 2

Answer:

I think the Louisiana Purchase

hope this helped