In a famous plot quibble about a 1941 Orson Welles film, no one seems to be in the room to hear the tycoon's dying word. What is the word?

Which 1941 film includes the line "I guess Rosebud is just a piece in a jigsaw puzzle, a missing piece"? In a 1941 film classic, which newspaper tycoon tells his guardian, "I think it would be fun to run a newspaper"? Which star made her final film, "Two-Faced Woman," in 1941 and became a U.S. citizen in 1951? In which 1941 film does a reporter try to learn the meaning of a dead newspaper tycoon's last word? In which 1941 film does private detective Sam Spade seek a priceless statuette? Created in 1941, which civilian volunteer organization became the official auxiliary of the U.S. Air Force? 1941's "Here Comes Mr. Jordan" and which 1978 remake starring Warren Beatty were both nominated for Best Picture? Which Libyan leader, born in 1942, seized power in a 1969 coup?