City State
A sovereign state that comprises a town and the surrounding countryside. Singapore is an example of a present-day city-state. (walls around the city. Agriculture outside to feed city residents)
Colonialism
An effort by one country to establish settlements in a territory and to impose its political, economic, and cultural principles on that territory.
Colony
A territory that is legally tied to a sovereign state rather than being completely independent.
Unitary State
An internal organization of a state that places most power in the hands of governmental officials.