The supremacy clause states that federal law is the highest law in the land. A good synonym would be dominance, preeminence, sovereignty, superiority, and ascendancy clause
dominance
preeminence
primacy
sovereignty
superiority
ascendancy
authority
command
control
dominion
paramountcy
power
predominance
preponderance
principality
sway
transcendence
absolute rule
driver's seat
prepotence
supreme authority
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