American acquisition refers to the process by which the United States gained control, ownership, or sovereignty over new territories or lands. This usually occurred through diplomatic negotiations, military conquests, or treaties.
Related terms
Manifest Destiny: Manifest Destiny was the belief popular in the 19th century that it was America's destiny and duty to expand its territory from coast to coast.
Treaty of Paris (1898): The Treaty of Paris (1898) ended the Spanish-American War and resulted in Spain ceding Puerto Rico, Guam, and Philippines to the United States.
Imperialism: Imperialism is when a country extends its power and influence through diplomacy or military force over other countries or territories for economic or strategic reasons.