Final answer:
The primary rationale for the Iraq mission was to prevent Saddam Hussein from giving WMDs to terrorists.
Step-by-step explanation:
The primary rationale for the Iraq mission was to prevent Saddam Hussein from giving WMDs to terrorists. The United States believed that Saddam Hussein possessed weapons of mass destruction (WMDs) and feared that he would distribute them to terrorist groups. This concern was one of the main justifications for the invasion of Iraq in 2003.
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