In November 2005, the PT endorsed the PRD's candidate for President, Andrés Manuel López Obrador for the July 2006 elections.

In October 2006, the PT further allied itself with the PRD and the Convergence Party to form the Broad Progressive Front (FAP for its Spanish initials), which was granted the register by the Federal Electoral Institute.

Its candidate for the Presidency was Andrés Manuel López Obrador[20] as PT formed a coalition with left-wing National Regeneration Movement (MORENA) and right-wing Social Encounter Party (PES).

[21][22][23] At first, there was speculation about the possibility of a front grouping all the leftist parties: MORENA, PRD, PT and Citizens' Movement (MC).

In this sense, Hugo Eric Flores Cervantes, President of PES, said, "We don't negotiate with the PRI, we have two options, go alone or with MORENA.

"[25] On December 13, the coalition between Morena, the PT and the PES was formalized under the name Juntos Haremos Historia (English: Together we will make history).

[28][29] The alliance has received criticism as it is a coalition between two leftist parties (MORENA and the PT) with a formation related to the evangelical right (PES).

[30] In response, the national president of MORENA, Yeidckol Polevnsky, mentioned that her party believes in inclusion, joint work to "rescue Mexico" and that they will continue to defend human rights,[31] while Hugo Eric Flores Cervantes, national president of the PES, mentioned that "the only possibility of real change in our country is the one headed by Andrés Manuel López Obrador" and that his party had decided to put "on the right side of history.