Because if they called it a treaty they’d need a 2/3 vote.
The Constitution requires that all treaties must receive a 2/3 approval by the Senate.
Are you suggesting that if they call a treaty an "agreement" that the congress and the president can just bypass the treaty clause?
Are you ok with that?
This is a treaty. Look it up.
“Because if they called it a treaty theyd need a 2/3 vote.”
Same reason the GOP voted to allow the upcoming TPP trade agreement to be voted in with a simple majority versus 2/3 vote. They want the agreement.