Answer:
C look up the battle of midway it will give you a better explanation
First off, the controversy of this had led to an imbalance in congress among the number of free states and slave states. So this rules out our first option. Due to it not being all of the above, that's our fourth answer ruled out as well. The Webster speech did not happen for 10 more years so it is very unlikely that this is what led to that speech. Even without the process of elimination, it would be B because the Missouri Compromise admitted Missouri as a slave state and Maine as a free state in order to preserve the balance of power in congress. Also, Henry Clay (the Great Compromiser) drafted this.
One of the main reasons why this occurred was because demand for furs increased dramatically in Europe, due to their value that could be used to buy spices and other goods.
Hoover believed the Great Depression would just end in time, and that US citizens just needed to wait it out, while Roosevelt took action to try to stop the GD.
