The U.S. Constitution specifies that international treaties become the law of the land.
NOW SEE THIS:
The 50th nation (Honduras) ratified the U.N. Treaty on the Prohibition of Nuclear Weapons (TPNW). The Treaty’s wording specifies that in 90 days NUCLEAR WEAPONS WILL BECOME ILLEGAL UNDER INTERNATIONAL LAW!
See more information in previous posts on my blog’s “Nuclear Weapons” section, and see www.icanw.org