Lincoln declared that they would have to accept the amendments and the new government, disband their old confederate government, make sure that former office holders could never go back into politics, and ask for an official pardon from the President of the United States. They also had to free the slaves.
The statements referred by the question are:
a) It convinced the United States to dismantle its nuclear weapons.
b) It proved that a naval blockade was not an act of war.
c) It showed Cuba that communism should be stopped.
d) It brought the world dangerously close to nuclear war.
The correct statement is D. Historians agree the Missile Crisis was the closest the world got to have a nuclear war between the U.S. and USSR. Nothing before or after this came as close to be direct aggression from one of these countries against the other.
Statements A and C never happened: the U.S. has nuclear weapons until today, and Cuba didn't give up on communism.
Statement B doesn't fit the facts around the Missile Crisis. The naval blockade didn't lead to war only because the U.S. was defensive.
Parliament emerged victorious following the implementation of the Magna Carta which marked the beginning of a change in which Parliament gained its political power. Henceforth, following the Glorious Revolution, a limited monarchy was formed and the English Bill of Rights which ensured the Parliaments superiority over the monarchy