Who was the cuban leader who overthrew a u. s - backed dictator and established a communist regime on the island a) fidel castro b) chiang kai-shek c) douglass macarthur d) nikita khrushchev e) harry truman f) john f kennedy g) joseph stalin

The right answer is Fidel Castro.

Explanation:

Fidel Castro was a Cuban politician and guerrilla commander who fought against an army at the service of dictator Fulgencio Batista, a US-supported strongman, in the 1950s. He and his men took to the mountains of Sierra Maestra. In January 1959, they triumphally entered Havanna, thus putting and end to the Batista regime.