In 1945 he began studying law at the University of Havana, where he first became politically conscious, becoming a staunch anti-imperialist and critic of United States involvement in the Caribbean.
Pada 1945, ia mulai belajar hukum di Universitas Havana, dimana ia pertama kali masuk politik, menjadi anti-imperialis dan kritikus keterlibatan Amerika Serikat di Karibia.