Carter got screwed by Reagan - October Surprise(s)
Reagan sent Gov. Connally (TX) out to the various Arab capitols to tell every leader he could find to tell the Iranians not to settle w/ Carter, they'd get a better deal from Reagan. Kind of like Nixon sending out Anna Chennault to tell the SVN leaders not to sign a peace deal in 1968 because Nixon would give him a better deal. The October Surprises were a reality.
https://www.kut.org/texasstandard/2023-03-23/ben-barnes-john-connally-jimmy-carter-ronald-reagan-iran-hostages
https://www.lbjlibrary.org/media-kit/chennault-affair