Japans northernmost islands
I assume by "feds" you mean the federal government. They enforce national laws. While the states can make their own laws they must do so by abiding by federal law. For example, a state cannot make murder legal.
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The HUAC was created in 1938 to investigate alleged disloyalty and subversive activities on the part of private citizens, public employees, and those organizations suspected of having Communist ties.
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