The answer is b, gl on the test
It took place in the United States where the "Original 13 colonies" stood and sometime on sea.
Answer:
The war officially ended with the February 2, 1848, signing in Mexico of the Treaty of Guadalupe Hidalgo. The treaty added an additional 525,000 square miles to United States territory, including the land that makes up all or parts of present-day Arizona, California, Colorado, Nevada, New Mexico, Utah and Wyoming.
Explanation: