Trivia: Which of these state capitals does NOT fall on the Missouri River?
Pierre, South Dakota
Bismarck, North Dakota
Jackson, Mississippi
Jefferson City, Missouri
The correct answer is Jackson, Mississippi
So why is this answer correct? : As the longest river in the United States, the Missouri River has played a big part in American history, including as a crucial trade route for goods across the West. In addition to Bismarck, Pierre, and Jefferson City, the Missouri also flows through Council Bluffs, Iowa; Omaha and Nebraska City, Nebraska; and Columbia and St. Charles, Missouri.