It includes several Trotskyist factions that split off from the old Revolutionary Workers ' Party ( PRT ) .
The Socialist Alliance ( Spanish : Alianza Socialista ) is an intended electoral alliance in Mexico created in November 2005 for the 2006 general elections .
Socialist Alliance includes several Trotskyist factions that split off from the old Revolutionary Workers ' Party ( PRT ) .
The Socialist Alliance ( Spanish : Alianza Socialista ) is an intended electoral alliance in Mexico created in November 2005 for the 2006 general elections .