Question

The secret agreement that ended the Cuban Missile Crisis included
a promise by Cuba not to invade the United States again.
a promise by the United States not to invade Cuba again.
a promise by the Soviet Union not to invade Cuba again.
a promise by the Soviet Union not to invade the United States.

Answer 1

A promise by the United States not to invade Cuba again.

(Part of the settlement was the US pledge not to invade Cuba; privately the US also agreed to withdraw Jupiter missiles from Turkey.)