The Supremacy Clause in the u.s. constitution affirms that national laws and treaties are the supreme law of the land.
The Supremacy Clause of the United States Constitution specifies that the Constitution, federal laws established pursuant to it, and treaties made under its authority constitute the "supreme Law of the Land," and so take precedence over any conflicting state laws.
Supremacy Clause Examples: State vs. State A has passed legislation stating that "no resident may sell blue soda pop anyplace in the state." The federal government, on the other hand, has enacted the "Anti-Blue Sales Discrimination Act," which prohibits activities that discriminate against the hue of items sold.
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