 During Goulart's absence, the President of the Chamber of Deputies, Ranieri Mazzilli, took office as Acting President of Brazil.The was then a plot to block the inauguration of the Vice President as President, but Congressional resistance to the inauguration of Goulart led to a reaction by the Governor of Rio Grande do Sul, who led a "legaly campaign",to a split in the military (that, during the fourth Republic, intervened heavily in politics).Amid the political crisis, the solution was the adoption by Congress of a Constitutional Amendment abolishing the preial executive and replacing it with a parlitary system of government.