Explanation:
in 1962, the Cuban Missile Crisis brought the world to the brink of nuclear war, when the United States discovered that the Soviet Union was attempting to assemble nuclear missiles in Cuba. In 1965, the United States intervened in the Dominican Republic to prevent what it thought was a communist uprising.
I believe it's the first one!
The 13th Amendment forever abolished slavery as an institution in all U.S. states and territories. In addition to banning slavery, the amendment outlawed the practice of involuntary servitude and peonage. ... However, it ended slavery and began the long-term goal of achieving equality for all Americans.
