Answer:
They both wanted to overthrow the Batista government. They both helped each other take over Cuba.
Explanation:
Guevara became part of Fidel Castro's efforts to overthrow the Batista government in Cuba. He served as a military advisor to Castro and led guerrilla troops in battles against Batista forces. When Castro took power in 1959, Guevara became in charge of La Cabaña Fortress prison.
