| A | B |
| slave state | one that permitted slavery |
| free state | one that did not permit slavery |
| Missouri Compromise | 1820 agreement that allowed Missouri to enter the Union as a slave state and Maine as a free state |
| state's rights | the belief that the right of a state to govern itself is more important than the right of the federal government to pass laws that govern all the states. |
| Jefferson City | Capital of Missouri |
| Jefferson City | Named after Thomas Jefferson |
| St. Charles | Temporary capital of Missouri |
| frontier | area just on the edge of a settled area |
| Santa Fe Trail | led traders to the southwestern part of the United States and to Mexico |
| Oregon Trail | Trail that started in Independence and ran to California and Oregon |
| stagecoach | a large wagon that had a roof and seats and was pulled by a team of 6 to 8 horses |
| flatboat | a raft with sides |
| keelboat | had a bow or keel that was a strong piece of wood or metal that ran along the bottom of the boat and made it sturdier |
| steamboat | boats driven by steam |
| Zebulon M. Pike | first steamboat on the Mississippi |
| Independence | first steamboat on the Missouri River |
| railroads | a form of transportation that was powered by steam engine and that ran on iron or steel rails and pulled cars carrying goods and/or people linked together into a train |
| snag | large sunken tree that could poke a hole in a boat's side |
| Pony Express | 1859 mail system from St. Joseph to Sacramento |
| slave | a person who is considered to be the property of another and who is forced to work for that person |
| Underground railroad | a series of "stations" where slaves were helped to escape to the North or Canada |
| abolitionists | one who believed that slavery was wrong and should be ended as soon as possible |
| secede | leave the Union |
| Confederate States of America | southern states seceded from the Union and formed this |
| border state | a slave state that stayed in the Union |
| bushwackers | small groups of rebels who, during the Civil war, raided small towns and farms for supplies and tried to scare people into leaving or supporting the South |
| Confederate States of America | founded after the election of Abraham Lincoln |
| telegraph | replaced the Pony Express |
| 1821 | Year Missouri became a state |
| Dred Scott | case in which the Scotts were not allowed to sue in court because they were not considered citizens. |