When Napoleon's reign as Emperor began to fail, which of the statements below is true?
A) Spain stopped all trade with Britain. Napoleon was happy and rewarded the king with gold.
B) Russia support the blockade and welcomes Napoleon to Moscow.
C) Austria, Britain, Russia, Prussia, and Sweden form an alliance and drive Napoleon out of Germany and back to Paris. They captured him and exiled him to Elba.
D) The French people rally together and chop Napoleon's head off.