Although there was factionalism in the ruling group and in some regions, Díaz suppressed the formation of opposition parties. Díaz dissolved all local authorities and all aspects of federalism that once existed. Not long after he became president, the governors of all federal states in Mexico answered directly to him. Those who held high positions of power, such as members of the legislature, were almost entirely his closest and most loyal friends. Congress was a rubber stamp for his policy plans and they were compliant in amending the 1857 constitution to allow his re-election and extension of the presidential term. In his quest for even more political control, Díaz suppressed the press and controlled the court system.Díaz could intervene in political matters that threatened political stability, such as in the conflict in the northern Mexican state of Coahuila, placing José María Garza Galan in the governorship, undercutting wealthy estate owner Evaristo Madero, grandfather of Francisco I. Madero, who would challenge Díaz in the 1910 election. In another case, Díaz placed General Bernardo Reyes in the governorship of the state of Nuevo León, displacing existing political elites, but they made do, becoming wealthy during the Porfiriato.