Division of power between a central government and state governments.
Evidence of federalism being effective #1
Each state has its own fully working government with 3branches. A governor (executive), stateCongress (legislature ) and supreme court. They can legislate on a wide variety of matters
Evidence of federalism being effective #2
States have the power to ratify amendments to the Constitution and so have the power to change the foundational document on which all US law is based
Evidence of federalism being effective #3
Protections, rights and some taxes are different in many states. For example, Oregon does not have a sales tax
Evidence of federalism not being effective #1
The powers given to the federal governments versus the states is the vaguest area of the constitution and over time the powers of the federal government have expanded significantly
Evidence of federalism not being effective #2
Most states do NOT have year-roundlegislatures, so do NOT have the ability to create law year-round compared to Congress
Evidence of federalism not being effective #3
Congress can issue mandates that the state governments have to follow