He was provincial deputy, general deputy and also Minister of Business of the Empire (March 1870 to June 1875) which was the longest of a minister in this portfolio (noteworthy, since at the time few ministerial mandates lasted longer than 18 months).

Other positions held include Minister of Agriculture, President of the Council of Ministers (from 10 March 1888 to 7 June 1889), State Councilor, President of the provinces of Pará (2 December 1869 to 17 April 1870) and São Paulo (19 October 1885 to 26 April 1886) and still senator, from 1877 to 1889.

He was head of government and major opponent of Joaquim Nabuco in Pernambuco.

His ministry secured the parliamentary approval of the Golden Law project, sanctioned by Princess Isabel, who held the position of regent of the empire because of the Emperor's trip to Europe.

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