The party was composed of Radicals who opposed the presidential candidacy of the Marxist Salvador Allende.

Unlike its pre-1973 period, the party was reduced due to the departure of some iconic militants.

Other members, such as former deputy Julio Mercado Illanes, returned to the central trunk of the Radical Party.

In 1984 it joined with other movements that supported the military dictatorship a coalition known as the Group of Eight (Grupo de los Ocho), which later evolved to the National Democratic Agreement.

[1] On January 31, 1986, it constituted the Frente Democrático de Concordia (FREDECO) along with the Social Democracy Party, the Social Christian Movement, the National Democratic Party (faction led by Apolonides Parra), the Radical Civic Union, the Social Democratic Labour Movement, the Javiera Carrera Movement and Arturo Matte Civic Center.