question: What Supreme Court case ruled that a treaty provision that conflicts with the US Constitution is null and void under US law ?
answer: Reid v. Covert
turker_answer: Reid v. Covert was a Supreme Court case that ruled a treaty provision that conflicts with the US Constitution is null and void under US law .
rule-based: Reid v. Covert ruled that a treaty provision that conflicts with the US Constitution is null and void under US law .