Answer:
Diplomacy
Explanation:
Why u ask?! well you see USA had missiles in Turkey and Soviet Union Saw this as a threat so they put missiles in Cuba, Kennedy the President at the time knew that This would be a disaster and asked Russia to remove the nukes and Russia declined then asked USA to remove thier nukes from Turkey they also declined and after a series of boring stuff happening they bother decided to remove the nukes before the world ends :)
The answer is The increased opposition to war.
Nixon was not popular with his foreign policy of war to fight communists. During his term, people held numerous strikes that showed that the people were against its implementation. They don't want numerous soldiers to get involved and suffer. They also don't want people from foreign lands to lose their lives because of this.
The supreme court heard a number of cases involving slavery in the late 1840s and 1850s. With one mnor exception, slaveowners won every one of these cases and the court overwhelmingly supported the power of congress to assist them in recobering fugitive slaves.
Japan strongly and passionately defended two Jima because it was considered part of the Japanese homeland.