<P> United States support for Ba'athist Iraq during the Iran--Iraq War, against post-revolutionary Iran, included several billion dollars' worth of economic aid, the sale of dual - use technology, non-U.S. origin weaponry, military intelligence, and special operations training . At no point, however, did the U.S. directly supply arms to Iraq . Of particular interest for contemporary Iran--United States relations are the repeated accusations that the U.S. government actively encouraged Iraqi leader Saddam Hussein to invade Iran (proponents of this theory frequently describe the U.S. as having given Saddam a "green light"), supported by a considerable amount of circumstantial evidence, but the U.S. government officially denies that any such collusion occurred, and no conclusive proof of it has been found by scholars that have studied the issue . </P> <P> U.S. government support for Iraq was not a secret and was frequently discussed in open session of the US Senate and House of Representatives . On June 9, 1992, Ted Koppel reported on ABC's Nightline that the "Reagan / Bush administrations permitted--and frequently encouraged--the flow of money, agricultural credits, dual - use technology, chemicals, and weapons to Iraq ." </P>

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