Meanwhile, the FORA V was in steady decline, and was dissolved shortly before the installation of José Félix Uriburu's dictatorship, which opened up the years of the Infamous Decade.
When in his turn Perón was overthrown and forced into exile (in 1955), the CGT leadership was purged, but even so the union movement remained the basis for semi-coordinated resistance to the series of governments that succeeded Peronism during the 1950s and 1960s.
Upon the General's return to Argentina, this split became violent, as symbolized above all by the massacre at Ezeiza the day of his arrival back in the country.
After Perón's death and with the accession of his wife Isabel Perón to the presidency, this persecution only increased, and Argentine society headed towards open civil war in which a union-backed power directed in part by José López Rega faced increased militancy on the part of the Montoneros and others.
Argentine workers' right to strike is protected by law, but unauthorized demonstrations have involved direct conflict with police in recent years.
By 1998 measures agreed to by both sides had been passed, with industry-wide bargaining intact, and the removal of the temporary contract system which had allowed for workers with no social benefits.
The union movement was weakened under the neoliberal conditions imposed first by the military junta and later reinforced by Carlos Menem and his minister of finance, Domingo Cavallo.