As the head of the periodicals "A Urna" (The Ballot Box) and "O Democrata" ("The Democrat"), fought against the government of Getúlio Vargas, which ended closing them.

Great speaker, characteristic that would follow him in his parliamentary life, Andrade was lawyer and held many positions in the State, being also director of the Commercial Association.

In the 30th of the same month, launched a manifest to the nation declaring disruption between the Legislative and the Executive powers, called in the militaries to position themselves in the defense of the institutions.

[4] Disenchanted with the coup that he supported, Moura Andrade, with the boldness that characterized him, publicly stated that "Japona wasn't gown",[a] after being falsely accused by a superior official in charge of an inquiry.

Because of that, even having great prestige, was defeated in partisan convention that chose the ARENA party candidates for the Senate to represent São Paulo in 1970, what made his re-election impossible.

Many criticize him for, in his attributions as president of the National Congress, for giving institutional support for the illegitimate power takeover by the Armed Forces (contradicting the Constitution of 1946), instead of maintaining the republican order and assure the continuity of a government elected democratically.