Trade Union Confederation of Bolivian Workers
The Trade Union Confederation of Bolivian Workers was Bolivia's leading national trade-union confederation from its creation in 1936 until its dissolution and replacement in the political reorganization of 1952.
Last updated August 26, 2026
AI crawler reads
No AI crawler has read this profile since Oct 28, 2026.
Overview
The Trade Union Confederation of Bolivian Workers, known in Spanish as the Confederación Sindical de Trabajadores de Bolivia (CSTB), was a major Bolivian labor confederation active from 1936 to 1952. It emerged from a National Labor Congress held from 29 November to 6 December 1936, where 134 delegates established a national organization intended to coordinate organized labor and articulate workers' demands in a period of political and social change. At its creation, the CSTB drew much of its initial strength from chauffeurs and factory workers in La Paz. It also included factory-worker organizations in Oruro, several miners' groups, and associations of artisans. Its program combined labor and economic demands with nationalist positions. Among the resolutions adopted at the founding congress were calls for nationalization of Standard Oil Company's holdings in Bolivia, workers' participation in profits, and a minimum wage linked to the cost of living. The organization developed a close working relationship with the government of Germán Busch Becerra. This relationship gave the confederation influence beyond collective bargaining and workplace organization. In the 1938 congressional elections, the CSTB participated in the pro-military Socialist Single Front and won representation through a number of deputies. During the 1938 Constituent Assembly, it became an important element within the left-wing political grouping, while Busch appointed CSTB representatives to several government commissions. The confederation's internal politics were strongly contested. At its second congress in La Paz in January 1939, delegates debated the relationship between the labor movement and competing left-wing political projects. One faction followed Tristán Marof, while another supported the Stalinist-oriented Front of the Bolivian Left led by José Antonio Arze. Marofist delegates, who held the majority at that stage, secured a resolution declaring the CSTB's complete autonomy from all political parties. The dispute intensified after forces led by Arze transformed the Front of the Bolivian Left into the Revolutionary Left Party, or PIR, in 1940. The CSTB executive, still controlled by Marof's supporters, declined an invitation to participate in the founding meeting. The resulting conflict produced a split. Pro-PIR elements organized a rival CSTB congress in 1942 and selected Aurelio Alcoba as secretary-general, while the larger or established body initially remained loyal to its previous leadership. As Marof's influence declined, the confederation was eventually reunified under firm PIR control. The CSTB dispersed in 1952, when Bolivia's revolutionary political transformation produced a new labor structure centered on the Bolivian Workers' Center, or Central Obrera Boliviana (COB). The CSTB is therefore best understood as a historical labor organization rather than a continuing commercial brand. Its significance lies in its role in pre-1952 Bolivian union organization, its participation in constitutional and electoral politics, and the way its internal ideological conflicts reflected broader struggles within the country's left.
History
The CSTB was founded at Bolivia's National Labor Congress of 29 November–6 December 1936. The founding meeting brought together 134 delegates and created a national confederation at a time when organized labor was becoming an increasingly important force in Bolivian public life. Its early base consisted primarily of chauffeurs and factory workers in La Paz, supplemented by factory unions in Oruro, small mining groups, and artisan organizations. The organization's founding resolutions joined workplace concerns to broader economic nationalism. They called for the nationalization of Standard Oil Company's Bolivian holdings, workers' profit sharing, and a minimum wage adjusted to the cost of living. The CSTB's leadership generally worked closely with the government of Germán Busch Becerra, and the confederation consequently gained access to official political institutions as well as influence within the labor movement. In the 1938 congressional elections, the CSTB formed part of the pro-military Socialist Single Front and helped elect a number of deputies. It also played an influential role in the leftist grouping at the 1938 Constituent Assembly. The government appointed CSTB representatives to several commissions, demonstrating the confederation's prominence in the political system of the period. Internal ideological disagreements became central to the CSTB's subsequent history. At its second congress in La Paz in January 1939, the principal conflict was between supporters of Tristán Marof and forces aligned with José Antonio Arze's Stalinist-oriented Front of the Bolivian Left. Marofist elements held the majority and adopted a resolution affirming the confederation's complete independence from political parties. The relationship deteriorated after Arze's supporters organized a July 1940 meeting to turn the Front of the Bolivian Left into the Revolutionary Left Party. The CSTB executive, still controlled by Marof's followers, declined to participate. Pro-PIR elements later organized a rival CSTB congress in 1942 and chose Aurelio Alcoba as secretary-general. The older leadership retained the allegiance of the majority for a time, but Marof's influence weakened. When the organization was eventually reunited, it was firmly controlled by the PIR. The CSTB dispersed in 1952. Its disappearance coincided with the rise of the Bolivian Workers' Center, which became the country's primary national labor federation. The CSTB's historical importance rests on its early role in consolidating Bolivian unions, its nationalist labor platform, participation in electoral and constitutional politics, and the ideological struggles that shaped the pre-1952 left.
- 1952
Dispersal and replacement by the COB
[1]The CSTB disperses as the Bolivian Workers' Center becomes the country's principal union federation.
- 1942
Rival congress selects a secretary-general
[1]The pro-PIR faction holds a rival congress and chooses Aurelio Alcoba as secretary-general.
- 1940
Political split begins
[1]The executive's refusal to join the conversion of the Front of the Bolivian Left into the PIR contributes to a split within the confederation.
- 1939
Second congress and autonomy resolution
[1]The CSTB's second congress in La Paz adopts a resolution declaring complete autonomy from political parties.
- 1938
Electoral and constituent-assembly influence
[1]The CSTB participates in the Socialist Single Front, elects several deputies, and becomes influential in the left grouping of the Constituent Assembly.
- 1936
Founding of the CSTB
[1]A National Labor Congress with 134 delegates establishes the Trade Union Confederation of Bolivian Workers.
Products and positioning
A national labor confederation representing organized workers and advancing labor, economic, nationalist, and political demands in Bolivia.
Brand decisions
1939
Declaration of political autonomyStrategyBackground
The second congress was marked by conflict between Marofist delegates and supporters of José Antonio Arze's Front of the Bolivian Left.
Action taken
The Marofist majority adopted a resolution declaring the CSTB completely autonomous from political parties.
Aftermath
The autonomy decision did not end the political dispute and was followed by further conflict over the relationship with the PIR.
1936
Founding labor and economic-nationalist programStrategyBackground
At its founding congress, the CSTB established priorities for a national labor movement in Bolivia.
Action taken
Delegates demanded nationalization of Standard Oil Company's Bolivian holdings, workers' profit sharing, and a minimum wage tied to the cost of living.
Aftermath
These resolutions defined the confederation's early combination of labor advocacy and economic nationalism.
Sources1 sources
Cite this profile: Cite the canonical profile. /brand-wiki/trade-union-confederation-of-bolivian-workers · Editorial policy · How profiles are compiled