Since during the Louisiana Purchase, we purchased so much land(technically the whole entire United States). Manifest destiny is our belief to spread from sea to shining sea so, we were motivated to expand to that new land we purchased. That would make the thirteen colonies less crowded and over populated.
Two allied nations enforce economic sanctions on a country until its government changes a key policy.
A lot of people were depressed because a lot of young boys died and there were a lot of parents who lost their boy(s). Plus, there were a lot of girls who didn't have a spouse so that kind of or alomst threw off the balance of humanity.
D) working with the Soviet Union to reduce the levels of nuclear weapons.
