In Defense of Socialism: Four Speeches on the 30th Anniversary of the Cuban Revolution (Fidel Castro Speeches, Vol. 4, 1988-89)

Economic and social progress is not only possible without the dog-eat-dog competition of capitalism, but socialism remains the only way forward for humanity. He describes the decisive place of Cuban volunteer combatants in the final stage of the struggle in Angola against the invasion forces of the South African apartheid regime.