A country, state or nation that rules itself, not by some other country. It is free, it is independent.
The Netherlands is itself a nation.
A nation that rules over other nations, known as a dominant or conquering nation, is the founder of an empire of nations.
George Washington
A _____ is a city which rules itself and its surrounding territory.
Following the rules of war. If they don't follow those "rules of war" they aren't civilized (and could even be executed when the wars over for not following those "rules of war").
Government
Government
Invention Nation - 2007 Dirt Rules - 1.10 was released on: USA: 2007
Empires are when one nation rules another.
constitution
Empire