Answer:
In an effort to preserve the balance of power in Congress between slave and free states, the Missouri Compromise was passed in 1820 admitting Missouri as a slave state and Maine as a free state. In 1854, the Missouri Compromise was repealed by the Kansas-Nebraska Act
United States Bc it has the lowest portion of the graph
Answer:
A and B i hope it isn't wrong but if it is don't mark me brainliest
Explanation:
Because the French were on americas side and the British liked to use the rivers for transportation
