Answer: Authoritarian
Step-by-step explanation:
Authoritarian could be defined as the system of government that uses force on the citizens and deprive them of their rights and freedom. Military regime, tyranny, coup are all forms of authoritarian kind of leadership where democracy is thrown away and tyranny is the order of the day. Doing a study about military overthrowing a government using the authoritarian theory of international mass communication would be relevant to the study.