What is the name of the constitutional doctrine, originating from Article VI's Supremacy Clause, that federal law takes precedence over state law when the two conflict?

• A Nullification
• B Federal preemption ✓
• C State sovereignty
• D Dual sovereignty

Federal preemption derives from the Supremacy Clause and means that when federal and state laws conflict, federal law prevails, though the scope of this power is frequently litigated.