The Cuban Missile Crisis was when USSR built missile bases in Cuba. This was a threat to the U.S. because the missiles could reach many major cities within the U.S.
Due to this threat, the United States wanted the missiles removed.
It actually lasted from 618 to 907.....907 - 618 = 289....almost 300 years
I believe the answer is the Andes mountain range
They basically wanted freedom so they escaped to the north where slavery was illegal