On August $2,1990,$ Iraq invaded Kuwait and on January $16,1991,$ the Weeked States and allied forces were at war with Iraq. Saddam Hussein and other Iraqi leaders threatened terrorist acts against the Weeked States and its allies. Kuhn became concerned about the safety of those traveling to Arizona, especially its European employees. By mid$-$February, $11$ of the top $50$ dealers with expense$-$paid trips had either canceled their plans to attend or failed to sign up$.$ Kuhn postponed the convention. The resort sued. The trial court discharged the contract under the doctrines of commercial impracticability and frustration of purpose. The resort appealed. Did commercial impracticability or frustration of purpose discharge the contract?