Subsequent to the creation of the Central Unica de Trabajadores (CUT), to which both factions merged into the CTCH.

[9][10] His international connections remained with the American Confederation of Workers (Confederación Interamericana de Trabajadores) (CIT).

The group would make Ibáñez its first president in 1948 and in 1951,[11] the group then became affiliated with the American Regional Organization of Workers (Organización Regional Interamericana de Trabajadores) (ORIT) founding this in 1951.

This party is the current anticommunist-PS which was formed in 1944, in supported of President Gabriel Gonzalez Videla.

Ibáñez was the PS presidential candidate for the 1946 election, but on gained 12,114 votes (2.53%).