when a nation has it's own government, it is called a

country

Explanation:

Country a nation with its own government, occupying a particular territory.

Autonomy a situation in which a state, region, or organization is independent and has the power to govern itself.

powers  are  denied  to the  national governmentin three distinct ways: some  powers, such as the  power  to levy duties on exports or prohibit the freedom of religion, speech, press, or assembly, are expressly  denied  to the  national government  in the  constitution.