 Complete the following phrase:  A military coup, known as the 1937 coup  or the Estado Nôvo coup , was initiated on 10 November 1937 in Brazil by President Getúlio Vargas with the support of the Brazilian Armed Forces. Vargas had risen to power in a revolution which had ended a decades-old oligarchy, already with the backing of the military. For four years he ruled as provisional president until elections were held for a National Constituent Assembly. Under a new 1934 constitution, Vargas became the constitutional president of Brazil. Following a 