There was even pressure from some Latin American countries to stage an invasion of Spain, which, under Francisco Franco, was friendly to the Axis nations, although not a participant in the war.[28] The American staff believed that a full-scale invasion of France at the earliest possible time was required to end the war in Europe, and that no operations should be undertaken that might delay that effort. The British argued that the presence of large numbers of troops trained for amphibious landings in the Mediterranean made a limited-scale invasion possible and useful.[citation needed]