Question

click to correct the one capitalization error. in april 1961, the cia launched what came to be known as the bay of pigs invasion, a military action in cuba that was meant to oust fidel castro from power but ultimately proved disastrous.

Explanation:

Months are proper nouns and should be capitalized. "april" should be "April".

Answer:

In April 1961, the CIA launched what came to be known as the Bay of Pigs Invasion, a military action in Cuba that was meant to oust Fidel Castro from power but ultimately proved disastrous.