(government) sovereignty (of a nation: the state of making laws and controlling resources without the coercion of other nations.)

(collective) nationals (subject)

infringement of sovereignty

to infringe sovereignty

sovereignty of the people

(dated) unpatriotic person, traitor

referendum (direct popular vote)

the National Assembly (name of the national legislatures or legislative houses of several countries, such as France's lower house) / the Supreme Assembly (Uzbekistan's bicameral legislature)

(historical) elementary school, national elementary school

relating to all citizens; national / known to and beloved by all citizens; being a national and cultural icon