<Li> "The CEO needs this report in one hour . That trumps anything you're currently working on ." </Li> <Li> "He trumped my ace" for "I thought that I had a winning advantage, but he brought along something to defeat it ." </Li> <P> In general strategy, a trump card is the move one party can use to attain decisive victory . In this sense, a trump card can be a person, a weapon, or the starting of a chain of events . </P>

Where did the saying trump card come from