The correct answer is C) a group of tenets or ideas about democracy.
The American government based on a group of tenets or ideas about democracy.
Indeed it is based on the principles of federalism and republicanism in a democratic system where power is shared between the federal government and the states. The federal government was design with a system of checks and balances divided in an executive branch, the President; a legislative branch, the Congress; and a judicial branch, the Supreme Court.