In 1960 he realises his first trip by the communist countries. In 1961 Minister of Industry and in 1964 president of the Cuban delegation in the General Assembly of the United Nations is appointed. The Che made the phrase famous that directed to the guerrillas who prepared themselves in Cuba abrir new revolutionary centers: ” They do of account that is dead and that what they live now in more is prestado”. The 3 of October of 1965 Fidel Castro read, in the act of presentation of the Central Committee of the Communist Party, the famous letter of goodbye of the Che, in whom it resigned to all his positions and the Cuban nationality and announced its game: ” Other territories of the world demand the contest of my modest efforts. I can do what she is denied to you by your responsibility to the front of Cuba and arrived the hour to separate to us In the new battlefields I will take the faith that you instilled to me, the revolutionary spirit of my town, the sensation to fulfill most sacred of the duties: to fight against imperialism wherever he is: this fully comforts and cures any tear That I do not leave to my children and my not at all material woman and does not cause sorrow to me: it cheers to me that thus he is Until the victory always. Mother country or death! ” After his possible participation in the guerrillas of the ex- Congo Belgian, in 1966, it penetrates in Bolivia, and it directs one of the two columns of the guerrilla detachment. The 8 of October of 1967, in the combat of the Gorge of the Yuro, the Che is hurt and fact prisoner by the Bolivian army in collaboration with the company On the following day is executed in the town of the Fig tree, by order of the company.

The 18 of October of 1967, in the Place of the Revolution, before means million of Cuban, Fidel Castro when informing into its death, said: ” You have disappeared physically, but your figure and your ideals follow and will continue being effective in us, because to those you they cannot kill with balas”. Between the most excellent titles of its work they are counted: Philosophical dictionary (1946-1957), Newspapers of motorcycle, the war of guerrilla (1960), Cuba in Punta del Este (1961), economic Plan, a law that will not be able to be violated (1961), the paper of the working class in the construction (y) Emulation, vital part work of the nation (1962), Passages of the revolutionary war (1963), the prophecy of the Che (1964), Letter of goodbye to Fidel Castro (1965), the Socialism and the man in Cuba (1967), the newspaper of the Che in Bolivia (1968), Works 1957-1967 (2 vols., 1970).