Answer:
The correct answer is ( B. The U.S acquiring land from Mexico.)
Step-by-step explanation:
The United States acquired several territories during this time. The territories that the U.S retained were given at the end of the Mexican War. The land and terms of the agreement were given in the "Treaty of Guadalupe Hidalgo of 1848." The U.S did get another territory in 1853 with the Gadsden Treaty.
The territories that the United States acquired during this time were;
Arizona
California
Utah
Nevada
New Mexico