Sentence:  Hallmark Cards , Inc. , Kansas City , <WSD>Mo.</WSD> , has a do-it-yourself quiz game called `` Benefit Bafflers '' , which it distributes to employees . 
Meaning of the word marked with <WSD> tags:  a midwestern state in central United States; a border state during the American Civil War, Missouri was admitted to the Confederacy without actually seceding from the Union