State two methods used by the United state's government to acquire new territory

When the American Revolution formally concluded with the 1783 Treaty of Paris, Great Britain ceded the region of the thirteen original territories to the new country of the U. S. A

Explanation:

American Samoa was procured below the 1899 Treaty of Berlin within Great Britain, Germany and the United States of America. the last major purchase in the Northern part of America was bought from a Russian country in 1867. Requests for development into Territories of Spanish like Cuba began to the War of America and Spain, in which the U. S obtained, Puerto Rico, Philippines, and Guam and conquered Cuba for numerous years.