The relationship was not good because they disagreed about where the Texas- Mexico border.
The war—in which U.S. forces were consistently victorious—resulted in the United States' acquisition of more than 500,000 square miles (1,300,000 square km) of Mexican territory extending westward from the Rio Grande to the Pacific Ocean
C, exploring the Northwest Passage
Well since there is no context. How does the cow fly over the moon when it has no wings?
I'm not 100% sure these are right but :
1. African Americans were not and could never be american citizens.
2. the Missouri Compromise was unconstitutional.
