The US didn’t do Iraq a favor by putting Saddam in power. Read:
Exclusive: Saddam key in early CIA plot
By RICHARD SALE
….. While many have thought that Saddam first became involved with U.S. intelligence agencies at the start of the September 1980 Iran-Iraq war, his first contacts with U.S. officials date back to 1959, when he was part of a CIA-authorized six-man squad tasked with assassinating then Iraqi Prime Minister Gen. Abd al-Karim Qasim. …..
https://www.upi.Com/Defense-News/2003/04/10/Exclusive-Saddam-key-in-early-CIA-plot/65571050017416/