[2] The leaders of the party were Enrique Baldivieso, José Tamayo Solares, Fernando Campero Álvarez, Gabriel Gosálvez, Javier Paz Campero, Vicente Mendoza López, Hugo Ernst Rivera, Alberto Saracho, Carlos Salinas Aramayo, Francisco Lazcano Soruco, Armando Arce, and Augusto Céspedes.
[3] “It espoused a somewhat confused corporativist philosophy, urging extensive government intervention in the economy, compulsory unionization of all workers, and the establishment of a legislature on the basis of functional, rather than geographical, representation”.
[4] The United Socialist Party was associated with the revolutionary governments of Colonels José David Toro Ruilova and Germán Busch Becerra, between 1936 and 1939.
[5] The United Socialist Party elected some deputies of National Congress in 1940, and during the first 2 years of Enrique Peñarand's administration they were among the government's opponents in parliament.
However, in his third year in office, Enrique Peñaranda formed a so-called cabinet of concentration which the United Socialist Party joined.