How did the 1812 war affect the u. s economy ?

Mexican independence the revolution for independence from spain was started by a pries name

Could anything have been done through compromise to stop it, or did it have to happen?

Why was the united states motivated to establish the open door policy? a. the policy guaranteed american commerce with china. b. the policy supported the chinese nationalist cause. c. the policy led to a gain of american colonies in asia. d. the policy claimed damages from the chinese.