When Hernn Siles Zuazo became President, splits in the Nationalist Revolutionary Movement of the Left were already very visible with at least three of which being identifiable.
The Leftwing Revolutionary Nationalist Movement was founded by Hernan Siles Zuazo, a leader of the leftist sector of the Nationalist Revolutionary Movement. When Hernan Siles Zuazo became President, splits in the Nationalist Revolutionary Movement of the Left were already very visible. At least three factions were identifiable: the "Palaciego", which surrounded Hernan Siles Zuazo; the MNRI-Legalista, which in 1983 joined the opposition in National Congress; and the Leftwing Revolutionary Nationalist Movement - 20th Century, a group of technocrats. 
