In America the central government is the federal government and the subdivision is that of the state. Just to have a central government and local governments is not federalism, there needs to be a division of powers between these two and neither the central government nor the secondary governments receive their powers from the other, their power comes from a single source which is the Constitution. The purpose of federalism was to provide further protection against tyranny, which threatened people's liberties. It was also formed to prevent the formation of concentrated power in one area of ​​government, thus came the development of federalism