After the Cordobazo, Morenists clashed against Santuchists because of the place industrial workers had in the proletarian revolution.

Santucho, leader of the party, declared that the real proletariat were the peasants and not the industrial workers.

[1] In 1973, Moreno offered Agustín Tosco to be the presidential candidate for March elections, but he refused.

Instead, Juan Carlos Coral ran for President both in March and September, getting 0,62% and 1,54% of the votes respectively.

After the 1976 Coup, the party went underground and renamed as Movement for Socialism.