The term "subject territory" has a few synonymous expressions, which can be used interchangeably in various contexts. Some of these equivalent words include dependent territory, colony, area, province, possession, mandate, protectorate, and dominion. A subject territory is defined as a geographic region, which is under the control or rule of another country or entity. In most cases, subject territories are regarded as subordinate to the dominant state, with limited autonomy or sovereignty. The reasons for subject territories vary, and may include exploration, exploitation of natural resources, military, economic, or political interests. While some subject territories have achieved independence, many remain under the control of the dominant state.