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:

The word "CIA" is an acronym (Central Intelligence Agency) and should be capitalized as it is a proper noun. The other words are either common nouns (e.g., "invasion", "action") or already correctly capitalized (e.g., "April", "Cuba", "Fidel Castro").

Answer:

The sentence has no capitalization error.