The answer is option A. Unitary <span>Unitary Government is a type of government in which government power is centralized and it operates as one unit. When the power is centralized in a government that type of government is called unitary system of government and when power is distributed among the central government and local government, then the system is federal system of government.</span>
Roosevelt and most Americans considered the Pearl Harbor attack to be a dirty trick, because it occurred while the Japanese ambassador was talking with the US about keeping peace in-between the two nations.