Based on the Frente Amplio of Uruguay, the alliance was formed of the Intransigent Party, the Socialist Party and the Communist Party of Argentina with sections of the Broad Front and the Front for Change, plus representatives of social organisations such as Apyme .
The alliance was formed by combining elements of the Frente Amplio of Uruguay, including the Intransigent Party, the Socialist Party, and the Communist Party of Argentina, along with sections of the Broad Front and the Front for Change, as well as representatives from social organizations like Apyme.