High Quality Content by WIKIPEDIA articles! Carlos Fonseca is considered the principal ideologue of the Sandinistas because he established the fundamental ideas of Sandinism. It is called Sandinism after Augusto Sandino, an ardent fighter who voraciously supported anti-Americanism. It was revolutionaries like David Nolan and Hugo Cancino Troncoso who provided the sophisticated proponents of Sandinista ideology: Sandinisimo, but it was Fonseca who popularized the Sandinista`s political thought.