The constitution divided the Senate between the Blancos and the Colorados or, as political scientist Martin Weinstein has pointed out, between the Herrerist faction of the Blancos (named after Luis Alberto de Herrera) and the Terrist wing of the Colorados (named after Gabriel Terra; president, 1931–38). The party that garnered the second largest number of votes automatically received 50 percent of the Senate seats.
The constitution split the Senate between the Whites and the Reds, or alternatively, between the Herrera faction of the Whites (named after Luis Alberto de Herrera) and the Terra faction of the Reds (named after Gabriel Terra; president, 1931–38). The party that received the second-largest number of votes automatically secured 50 percent of the Senate seats.