Final answer:
The Missouri Compromise was a turning point in American history, exposing the deep divide over slavery. It addressed the issue of slavery's expansion and resulted in the admission of Missouri as a slave state and Maine as a free state.
Step-by-step explanation:
The Missouri Compromise was a significant event in American history as it brought to light the growing divide over slavery. The debate over slavery and the Missouri Compromise filled newspapers, speeches, and Congressional records. It raised questions about the expansion of slavery and the interpretation of the Constitution. The compromise allowed Missouri to enter the Union as a slave state and Maine as a free state. A line was drawn across the rest of the Louisiana territory, north of which slavery was forbidden.