The United States should reach from the Atlantic Ocean to the Pacific Ocean.
Manifest destiny was the idea that it was the nation's destiny to expand across the continent to the Pacific.
Stephen Douglas supported popular sovereignity, also called squatter sovereignity, which stated that each territory had the right to determine if they would accept slavery or not.
Americans feared that their jobs would be taken by immigrants who were willing to be paid less for the same job.
The area that had its border set at the 49th parallel by President Polk and Britain in 1849 is Oregon.
hispanos
The Santa Fe Trail was a trade route between the United States and Mexico.
The US was unique in the world as a democracy of people from many different nations
it was unjust, oppressive, and cruel
California
anglos in california declared the bear flag repiublic immediately after which event
all of above apex
isolation - apex