1937

In February, he was sent to U.S. to seek support for the Spanish Republic, and to publicize the cultural work undertaken by the Republican government during the war. He arrived in Washington and stayed at the Spanish Embassy, whose ambassador was his old friend, Fernando de los Ríos. He spent a few months in the United States, where he exhibited his drawings on the war and gave a series of lectures in colleges and universities.

Through Genaro Estrada, Moreno Villa was formally invited to live in Mexico until the war was over. Estrada was already negotiating with Mexican President Lázaro Cárdenas to welcome the Spanish intellectuals and scientists who had left their country and were scattered abroad with an uncertain future.  Moreno Villa arrived in Mexico on May 10. Genaro Estrada and other Mexican writers and politicians got him accommodation and gave him their support. They found places to show his drawings and lithographs on the war and put him in touch with various art galleries. Thanks to another doctor friend, Moreno Villa was able to continue his grafumos series and made 20 of them. In December, he exhibited eighteen oil paintings and eighteen grafumos in the art gallery of the Department of Social Action of the National University,