Which word means bitterness or resentment in speech or attitude?

Which labor leader, born on February 14, 1913, mysteriously disappeared in 1975? Bismarck is the capital of which U.S. state? Bismarck, North Dakota, lies on which river? "Bitter Fame," a controversial 1989 biography by Anne Stevenson, deals with which poet? Dorothy Baker's 1938 novel inspired by jazz cornetist Bix Beiderbecke is "Young Man with a" what? Which 1875 Bizet opera's title heroine leaves Don Jose for a bullfighter? Georges Bizet served in the National Guard during the siege of Paris in which 1870-71 conflict? Bjarni Herjolfsson sold his ship to which Norse explorer who used it to reach Vinland around 1000?