The Cuban missile crisis proves that the ' cooler heads prevailed' as the conflict did not escalate.
Explanation:
The Cuban missile crisis was the closest that the world ever got to a full blown world war with nuclear weapons and it was the heads that were cool and composed during these times of frenzy that saved the two nations.
By the end of the crisis it was understood that both sides did not want the conflict and would rely on the doctrine of mutually assured destruction to not escalate future conflicts.
Thus the end shows that in fact cooler heads prevailed in this time.
Lincoln meant that the country can't survive with half slavery and the other half without it. They have to come together as one nation.
When you look at this question the correct answeer would be (3) Louis XVI called the Estates General into session.
Napoleon Bonaparte was given the title of Emperor of France in the year 1804.
The Declaration of the Rights of Man and of the Citizen, set by France's National Constituent Assembly, was set on August 27 of the year 1789.
Louis XVI called the Estates General into session in May of the year 1789.
Maximilien Robespierre, the architect of the French Revolution's Reign of Terror, lead it on by throwing more than 17,000 enemies of the revolution to the guillotine, starting in the year 1793.
Its Attucks and he was the first casualty of the Boston Massacre which basically snapped the colonists because the massacre was wrong and then the Revolution started.