The military staged a coup and the new Brazilian government was a

republic. A dictatorship B republic C military government D monarchy

C military government

The correct answer is C) military government.

Explanation:
In the given scenario, it is stated that the military staged a coup in Brazil. This implies that the military took control of the government. The subsequent statement mentions that the new government was a republic. A republic is a form of government where the power is held by the people or their elected representatives, rather than being inherited or obtained through force. Therefore, the correct answer is C) military government, as the military took control and established a new government system.