Georgia, NorthCarolina ,Mississippi, South Carolina
It made trade easier and it doubled the size of the U.S.
The Philippines c:
The term for expanding territory is "territorial expansion" or "imperialism." It refers to the process of a country acquiring new land or territories to increase its size and influence.
slavs
It was an area rich in iron and coal.
New Mexico Territory
New Mexico Territory
president Jefferson was interested in exploring the western territory because he wanted the direct practicable water across the North American continent to the pacific ocean.
it was considered illegal by some because the U.S. Constitution at the time did not contain any provisions for acquiring new territory.
By invading it and acquiring (some would say stealing) over 50% of its territory. See the related questions section.
The North wanted it brought into the Union as a Free State or at the worst case as a popular sovereignty State or Territory. Southerners wanted it as Slave holding areas.