sentences:  He was involved in the editing of the Initiative on rights and native culture, emanating from the San Andrés Accords reached in San Andrés Larráinzar, between the federal government and the Zapatista Army of National Liberation (EZLN).In 2000, his candidacy was supported by a political alliance consisting of eight political parties of diverse ideologies.The National Action Party, Party of the Democratic Revolution, Labor Party, Ecologist Green Party of Mexico, Convergence of the Democracy, Party of the Nationalist Society, Party of the Democratic Centre, and Social Alliance Party supported him.