the answer is a) the embrace of machismo by mainstream society.
The main reason why the African-American students in Greensboro, North Carolina staged a sit-in in 1960 was that they were racial discriminately denied a service in the restaurant there. Therefore, in an attempt to desegregate the South, they protested peacefully to the opposition by staging a "sit-in."
William the Conqueror <span>conquered England and then introduced feudalism there in the middle ages.</span>
In a long period of severe heat or cold, most of civilians had a really rough time in obtaining foods to feed their families.
Under such conditions, people will have a greater tendency toward violence as a desperate attempt to survive.
Because of this, more wars and rebellions tend to happen within long period of sever cold or heat.
