Many PNR congressmen and senators gave supportive speeches for the amendment, but there was opposition. Cárdenas's impending reorganization of the party, which took place in 1938, was a factor in changing some opponents into supporters. In the end, it passed unanimously and was sent to the states to ratify it. Despite the speeches and the ratifications, opponents used a loophole to block the amendment's implementation by refusing to publish notice of the change in the "Diario official". Skeptics of women's suffrage were suspicious that conservative Catholic women would take instructions on voting from priests and so undermine the progressive gains of the Revolution. Conservative Catholic women had mobilized during the church-state conflict of the late 1920s, the Cristero Rebellion, giving material aid to Cristero armies, and even forming a secret society, Feminine Brigades of St. Joan of Arc.