The United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 has from time to time in its history had several territories under its control in the same fashion as a colonial

Colonialism

Colonialism is the establishment, maintenance, acquisition and expansion of colonies in one territory by people from another territory. It is a process whereby the metropole claims sovereignty over the colony and the social structure, government, and economics of the colony are changed by...

 possession.

Ignoring areas that have now become states

U.S. state

A U.S. state is any one of the 50 federated states of the United States of America that share sovereignty with the federal government. Because of this shared sovereignty, an American is a citizen both of the federal entity and of his or her state of domicile. Four states use the official title of...

 in the U.S., and those areas that due to warfare were held under temporary U.S. military

Military

A military is an organization authorized by its greater society to use lethal force, usually including use of weapons, in defending its country by combating actual or perceived threats. The military may have additional functions of use to its greater society, such as advancing a political agenda e.g...

 command, these territories include:-

Americas

(1898-present) (1898–1902) (1903–1979) Rio Rico

Rio Rico, Texas

Rio Rico is a city near the Rio Grande in the Mexican state of Tamaulipas; it and the surrounding land were part of the US state of Texas that was ceded by the United States to Mexico in 1970...

 (1906–1977) (1917-present)

Asia

Ryukyu Islands (1945–1972) (1898–1946) (1898-present)

Oceania

(1899-present) (1947–1994)

• •  Marshall Islands (1944–1986)
  •  Palau (1947–1994)
  •  Federated States of Micronesia (1947–1986)
  •  Northern Mariana Islands (1975-present) (has remained in U.S. control)