Which Best Explains Why Napoleon Lost Power

Which best explains why Napoleon lost power?

A) His continuing efforts to conquer Europe roused sufficient opposition from other nations to defeat him.
B) The French people grew tired of his radical reform agenda and abandoned him.
C) He lost support from groups that supported him in France due to widespread corruption.
D) Leaders of other nations wanted the power and wealth France had accumulated and moved to conquer it.
E) The British were unable to accept any other nation as a rival for power in Europe.