The United Socialist Front (Spanish

Spanish language

Spanish , also known as Castilian , is a Romance language in the Ibero-Romance group that evolved from several languages and dialects in central-northern Iberia around the 9th century and gradually spread with the expansion of the Kingdom of Castile into central and southern Iberia during the...

: Frente Unión Socialista, FUS) was an electoral political alliance of left-wing and socialist political parties

Political party

A political party is a political organization that typically seeks to influence government policy, usually by nominating their own candidates and trying to seat them in political office. Parties participate in electoral campaigns, educational outreach or protest actions...

 and organizations.

The United Socialist Front was established on 18 February, 1938, for the 1938 congressional elections, by the

Legion of Veterans

Legion of Veterans

The Legion of Veterans was a Bolivian powerful political organization between 1936 and 1939.The Legion of Veterans was established by Colonel Germán Busch Becerra on 13 September, 1935, after the Chaco War....

,

Confederation of Bolivian Workers,

Workers' Party

Workers' Party (Bolivia)

The Workers' Party was a Bolivian left-wing-socialist political party.The Workers' Party was founded on November 23, 1937 by the leaders of the trade union Confederation of Bolivian Workers...

,

Popular Front of Potosi

Popular Front of Potosí

The Popular Front of Potosí was a powerful local left-wing-socialist political party in Potosí.Popular Front of Potosí was founded in 1936 by the labor leaders of Potosí, after Germán Busch Becerra'‘’s revolution....

,

United Socialist Party

United Socialist Party (Bolivia)

The United Socialist Party was founded on 15 march, 1936, as the result of a split in the Nationalist Party in 1936 and the adhesion of some prominent members of the Republican Socialist Party in 1937, and backed by Legion of Veterans and by the regional socialist groups.The leaders of the party...

,

Republican Socialist Party and

Independent Socialist Party

Independent Socialist Party (Bolivia)

The Independent Socialist Party was founded in March 1938 by Víctor Paz Estenssoro, Carlos Salamanca, Jorge Aráoz Campero, Carlos Montenegro and Augusto Céspedes, following a split in the United Socialist Party.Independent Socialist Party was created by a radical sector and was “the advocate...

.
The United Socialist Front was associated with the revolutionary government of Colonel Germán Busch Becerra

Germán Busch

Germán Busch Becerra was a former Bolivian military officer, hero of the Chaco War , and president of Bolivia between 1937 and 1939.Germán Busch was born in San Javier, in central Bolivia's hot, fertile, coffee-growing region to a physician, a German...

and elected majority deputies of the new Constituent Assembly.