Castro discusses the historic importance of the anticapitalist revolutions in 1979 in Grenada and Nicaragua; Cuba's internationalist missions in Angola and Ethiopia; relations with the U.S. government and with Cubans living in the United States; the fight within the Nonaligned Movement to forge a front of struggle against imperialist exploitation; and the proletarian internationalism that has guided the foreign policy of the Cuban government since the 1959 revolution.