The brinkmanship which is one of the strategies of the United States failed to prevent the Vietnam war because when American founded attacks, the Vietnamese fought back along using the guerrilla strategy and these Vietnamese think that all men are created equal.
The form of government is
Communism
b. ability to communicate the party platform clearly
Poster's such as "Your country need's you"
The Islamic slave trade transported many more slaves, lasted a longer time and did not spread the slaves to as many different continents.