How have the political and economic relationships between the states and federal government evolved since the early 1800s

Federalism - the Relationship between Federal and State Government. In the United States, the government operates under a principle called federalism. Two separate governments, federal and state, regulate citizens. The federal government has limited power over all fifty states.

Federalism - the Relationship between Federal and State Government. In the United States, the government operates under a principle called federalism. Two separate governments, federal and state, regulate citizens. The federal government has limited power over all fifty states.