Anarchy?
coup d'état
The assembly of Athens.
The U.S. Constitution.
JFK's Cold War foreign policy was called containment. The US did not attempt to overthrow existing communist governments but it did not want to allow any non-communist nations to be taken over by communism. The spread of communism was to be contained.
anarchist
A revolt is a violent attempt to overthrow or harm the government.
Revolution
Coup or revolution
The constitutional government which was called the Directory.
treason
It is called a coup or a coup d'etat.
Cuba: The Bay of Pigs Invasion
a coup can be violent or non-violent
a coup can be violent or non-violent
Subversion.
It's usually called a coup d'etat.
Treason is the crime that covers some of the more extreme acts against one's sovereign or nation. However overthrowing a government is a combination of treason, sedition, espionage and actual violence called terrorism.