In the 1990s it faced growing challenges to its power from the National Union of Workers (UNT), a federation of independent unions established in November 1997; the Authentic Labor Front (FAT), a union within the UNT, managed to win representation rights within the restrictive procedures provided under Mexican law.
Rivero was the leader of the FSBT (the Bolivarian Worker's Force), a current within the Unión Nacional de Trabajadores (UNT) union confederation which had previously existed in the Confederación de Trabajadores de Venezuela (CTV).
Soviet Union | European Union | Union Army | rugby union | Union | International Telecommunication Union | trade union | Union (American Civil War) | Union Pacific Railroad | England national rugby union team | American Civil Liberties Union | Wales national rugby union team | New Zealand national rugby union team | Ireland national rugby union team | Western Union | Scotland national rugby union team | International Astronomical Union | Georgia national rugby union team | Trade union | International Union for Conservation of Nature | Border Union Railway | France national rugby union team | United States national rugby union team | South Africa national rugby union team | Communist Party of the Soviet Union | Amateur Athletic Union | Union Carbide | Club Nacional de Football | Australia national rugby union team | Union Theological Seminary |