sentences:  The PNR incorporated other political parties under its umbrella, the "Partido Radical Tabasqueño", of Tomás Garrido Canabal; the Yucatán-based "Partido Socialists del Sureste", of Felipe Carrillo Puerto; and the "Partido Socialista Fronterizo" of Emilio Portes Gil, the current interim president.CROM's political arm, the Laborist Party, was not part of the coalition.The party developed a written set of principles and a platform that drew support from "agraristas" and workers in the Laborist Party.