Founded in
Chile by a group of exiles (chief among whom was
Óscar Únzaga de la Vega), the FSB initially drew its inspiration from Spanish
falangism. It was reformist, however, in that it advocated major transformations to the existing (largely
oligarchic) social and political order. This brought it more into the sphere of other revolutionary movements such as the
Revolutionary Nationalist Movement (MNR) of
Víctor Paz Estenssoro, which would come to power after unleashing the
1952 Revolution. In fact, FSB was at first brought into the MNR coalition at the outbreak of that massive revolt, but backed out at the last moment. A rather minor movement during the 1940s, the "Falange" began to attract major support from former landowners and other members of the
Bolivian elite after the triumph of the 1952 Revolution, becoming the ruling MNR's main opposition party. and included many well-to-do university students. The movement was based on a cell system and so became stronger in some specific areas, notably in
La Paz and
Santa Cruz, although attempts to win over the peasantry in
Cochabamba proved fruitless and damaged the party's growth. As well as political activity the FSB was also involved in several minor insurrections against the government, culminating in an uprising in April 1959 during which the FSB briefly held part of the capital La Paz. This was suppressed by the army, with fifty dying in the fighting—including Unzaga, whose death was officially ruled as suicide. ==Ideology==