Which development in the history of cuba
occurred first?
(1) the united states imposed a naval
quarantine against cuba.
(2) the soviet union built missile sites in cuba.
(3) fidel castro forcibly took power in cuba.
(4) the communist government in cuba seized
foreign properties.

From that list, the development that occurred first in Cuban history was that 3. Fidel Castro forcibly took power in Cuba from the US-backed Batista regime. Following Castro's rise to power came the communist seizing of properties, the low-key construction of missile sites in Cuba by the USSR, and the eventual naval quarantine led by the US - the Cuban Missile Crisis.

Dpolitical is the answer