International Workers League (Fourth International)

The International Workers League (Fourth International) or IWLfi (Spanish: Liga Internacional de los Trabajadores (Cuarta Internacional) or LITci; Portuguese: Liga Internacional dos Trabalhadores - Quarta Internacional or LIT-QI) is a Morenist Trotskyist international organisation.

The group's origins lie in the International Committee of the Fourth International (ICFI). Moreno's supporters followed the American Socialist Workers Party in leaving the ICFI in 1963 to form the reunified Fourth International (USFI). In 1969, the USFI voted to support guerrilla war in Latin America. Moreno's group opposed this. It was reduced to sympathiser status.

While critical of the Sandinistas, Moreno's group sent a Simon Bolivar Brigade to Nicaragua to aid the Civil War, with the aim of building a revolutionary party there. This brigade was opposed by the reunified Fourth International because it operated outside the discipline of the FSLN; the only other Trotskyists to participate were Pierre Lamberts' Organising Committee for the Reconstruction of the Fourth International. Forty non-Nicaraguan members of the Brigade were expelled from the country by the FSLN. Almost immediately, Moreno's and Lambert's tendencies joined to form the Parity Committee for the Reconstruction of the Fourth International. However, Moreno's supporters withdrew in 1981 complaining that Lambert had links to trade union bureaucrats, and in 1982 formed the "International Workers League (Fourth International)". In addition to their former supporters, this also attracted groups in Peru and Venezuela which split from the Lambertist currents.

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