One of them is who then used cyanide gas against the civilian inhabitants of Halabja?.....1) Was it Iran, who used cyanide gas against Iraqi Kurds, and were the Iranians assisted in this by the U.S. either with recommendations, delivering the gas, intelligence or what so ever, connecting the U.S. to the gassing of the Kurds?Or 2) Was it U.S. itself (or some its ally, for example Israel), who used