Artur da Costa e Silva
![Official portrait, 1967](https://upload.wikimedia.org/wikipedia/commons/6/66/Costa_e_Silva.jpg)
During Costa e Silva's presidency, Institutional Act No. 5 was enacted. This act gave the president powers to dismiss the National Congress, strip politicians of their offices, and institutionalize repressive measures against left-wing dissidents. Costa e Silva's government started the most oppressive stage of the military dictatorship against opposition, left-wing activists, and suspected communists, which would be continued and expanded under his successor Emílio Garrastazu Médici. Provided by Wikipedia
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