The correct answer is:
Abbie Hoffman.
Abbie Hoffman, a co-founder of the Youth International Party (Yippies), was one of the organizers of the National Mobilization Committee to End the War in Vietnam. On October 21st, 1967, they proclaimed that antiwar demonstrators would march to the Pentagon and try to levitate it.
The final goal was bringing the military-industrial complex down.
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If a king ruled unfairly he could lose this approval, which would result in his downfall. Overthrow, natural disasters, and famine were taken as a sign that the ruler had lost the Mandate of Heaven. ... The Mandate of Heaven did not require a ruler to be of noble birth, and had no time limitations.
The crusades Greatly affected the feudal system and began to lose it hold on society which eventually led to the Renaissance. Knights had to sell their land to be able to live, due to the feudal system crashing. So if they were not able to make enough by selling their land, they were left broke. They were also forced to serve nobles in personal armies.
