Boundaries
Imperialism
Governance
Morphology
Supranationality
100

The political boundary that is defined and delimited by straight lines (often latitude and longitude). 

Geometric
100

The expansion and perpetuation of an empire. 

Colonialism

100

A system of government in which power is distributed among certain geographical territories rather than concentrated within a central government. 

Federalism

100

A state that possesses a roughly circular, oval, or rectangular territory in which the distance from the geometric center is relatively equal in all directions. 

Compact

100

International organization comprised of Western European countries to promote free trade among members. 

European Union (EU)

200

A boundary that corresponds with prominent features of the landscape, such as mountain ranges or rivers. 

Physical

200

The study of the interplay between political relations and the territorial context in which they occur. 

Geopolitics

200

The designation of voting districts so as to favor a particular political party or candidate. 

Gerrymandering

200

A state whose territory is long and narrow in shape. 

Elongated 

200
An international economic organization whose member countries all produce and export oil. 

Organization of Petroleum Exporting Countries (OPEC)

300

Old political boundaries that no longer exist as international border, but that have left an enduring mark on the local cultural and environmental geography. 

Relic

300

A relatively small country sandwiched between two larger powers, used to prevent dangerous conflicts between powerful countries. 

Buffer State

300

A state governed constitutionally as a unit, without internal divisions or a federalist delegation of powers. 

Unitary State

300

A state that exhibits a narrow, elongated land extension leading away from the main territory. 

Prorupted

300

A regional economic organization in which Mexico, the United States, and Canada relax trade restrictions between their borders. 

North American Free Trade Agreement (NAFTA)

400

A boundary line drawn in an area that ignores the existing cultural pattern. 

Superimposed 

400

The right of a nation to govern itself autonomously. 

Self-determination

400

A state whose government is either believed to be divinely guided or a state under the control of a group of religious leaders. 

Theocracy

400

A state that is not a contiguous whole but rather separated parts. 

Fragmented

400

A global supranational organization established at the end of World War II to foster international security and cooperation. 

United Nations (UN)

500

A boundary line that is established before an area is populated. 

Antecedent 

500

Hitler's expansionist theory based on a drive to acquire "living space" for the German people. 

Lebensraum

500

Forces that tend to divide a country

Centrifugal Forces

500

A bounded territory that is part of a particular state but is separated from it by the territory of a different state. 

Exclave

500

Regional economic organization in which member African nations set terms for trade on the continent. 

African Union (AU)