SOMEONE PLEASE HELP ILL GIVE BRAINLIEST! What event preceded the Cuban Missile Crisis?

A.)an invasion at the Bay of Pigs to attempt to overthrow Fidel Castro
B.)Fidel Castro’s request for U. S. aid
C.)a direct Soviet threat on the United States
D.)a thwarted invasion off the coast of Florida to invade the United States

B. Fidel Castro.

Explanation:The Bay of Pigs invasion was led by the Cuban Democratic Revolutionary Front, which was a group of mostly Cuban exiles that was sponsored and trained by the United States Central Intelligence Agency. They attempted to overthrow the communist regime of Fidel Castro, who allied Cuba with the Soviet Union. Hope this helps and if I get this worng I'm rly sorry