Federal is a system of government. This means both the central government and the local government share power. Not sure if the sentences were questions, but I will answer them by numerical order. 1. Unitary 2. Federal 3. Confederation 4. Oligarchy (This is a type of government!) Hope this helped!
Through the principle of ckecks and balances, the branches of the American government, which work separately, must share power, and in this way balance the government
