American government is not a single chain of command. Federal and state governments possess separate sources of authority, sometimes overlap, and sometimes collide. Learn how to identify which question comes first.
Separate governments, overlapping authority, constitutional boundaries.
Interactive Walkthrough
Follow the institutional logic step by step.
Select a stage to see what changes, who has authority, and what the process does not mean.
Current stage01 / 05
Stage 01
Enumerated
Stage 01
The Federal Government Has Enumerated Constitutional Powers
Congress and the other federal branches exercise powers granted by the Constitution. Federal authority can also include powers reasonably implied from enumerated powers under constitutional doctrine.
Key distinction
The federal government is not a government of unlimited general police power.
Stage 02
States Retain Broad Reserved Powers
The Tenth Amendment recognizes that powers not delegated to the United States nor prohibited to the states are reserved to the states or the people. States exercise broad authority over many areas of health, safety, property, family law, and local governance, subject to constitutional limits.
Key distinction
State power is broad, but states still must comply with the U.S. Constitution and valid federal law.
Stage 03
Some Powers Are Exercised by Both Levels
Federal and state governments can both tax, create courts, borrow, and regulate within overlapping areas of authority. Cooperative federal programs can blend federal funding and standards with state administration.
Key distinction
Federalism is not a clean list where every policy belongs to only one level.
Stage 04
Valid Federal Law Can Preempt Conflicting State Law
Under the Supremacy Clause, the Constitution, valid federal laws, and treaties are the supreme law of the land. Courts determine whether federal law expressly or implicitly displaces state law in a particular field or conflict.
Key distinction
Federal supremacy applies when the federal government is acting within constitutional authority.
Stage 05
Local Governments Usually Derive Their Authority From States
Cities, counties, and other local governments generally operate under authority granted or recognized by state constitutions and statutes. The exact degree of home rule or state control varies widely.
Key distinction
“Federal, state, local” are three administrative levels, but local sovereignty is not equivalent to state sovereignty in the federal system.
Jurisdiction Lab
Which level has the strongest claim?
These examples are simplified prompts designed to teach the structure—not substitute for legal analysis.
Select an example to reveal the structural answer.
Sources & Further Reading
Ground the lesson in primary and institutional sources.