And he became the revolutionary leader of Cuba. And he was such an economic and powerful leader, which he was the leader for the next 40 years as prime minister and presidency, which was ever so important and fiercely kept his power. During the 1959s and 1960s, he radically changed the ideas in Cuba, such as industry nationalized and collectivizing agriculture, which the first person he kicked out was his mother, who never forgave him. This literacy campaign. Through the 1960s, Castro started the major speech, United Nations. He would eliminate illiteracy in Cuba. And he had 100,000 volunteers in a campaign for young to help between 10 and 19 to sign up alongside thousands of teachers and factory workers to eradicate literacy, as well to other teachers to read.