Crisis at Little Rock, because it coerced the authority to act or the Montgomery bus boycott, this brought Martin Luther King Jr., into a leadership.
Explanation:
The Montgomery boycott bus, in 1955 National Association for the Advancement of Colored People officer Rosa Parks imprisoned for not giving up their seat on a bus because she was a Black lady. Montgomery Improvement Association was formed and then they organized a bus boycott campaign against segregation on public buses and later elect 26-year-old Martin Luther King jr. as their leader.
<span>The effect that the Bill of Rights had, was that the monarchy's power was limited to what it could and couldn't do. The colonists could then decide who the monarchy was by electing them. So I think it's A. </span>