Question

2 of the most important effects of the American victory in the war with Mexico were

Answer 1

this is all i know

The most important effect of the War of 1812 was probably that the people of British North America were proud of the role they played in resisting a number of attempts by the United States to conquer them, and this helped a nascent Nationalist movement there that led to the creation of the Dominion of Canada in 1867.

Answer 2

the answer you are looking for is : the acquisition of California and New Mexico.