zlacker

False. Treaty ratification is a recognized feature of international law. For instance, the USMCA was signed by all three parties in 2018 but didn’t enter effect until 2020, when the last of the parties—Canada—ratified the treaty.

>>philwe+(OP)
Ratification is irrelevant in this case. Obama, acting as head of state, deposited instruments of acceptance for the US. Once that happened, your internal processes stopped being relevant to the international community.

At that point, the US was estopped from changing course. Doing so broke the bona fide principle.