officers who take power and rule a nation are most often called a junta - a
Spanish word meaning a group of individuals forming a government, especially
after a revolution or coup d'etat (meaning the overthrow of a government). A junta is another kind of oligarchy. Such military have been fairly common in
Latin America, Africa, and other parts of the world during the past century. A junta known simply as “the colonels”
ruled Greece from 1967 to 1975. It is
not unusual for one member of the ruling group to assume more and more power
and eventually become a dictator.