Which of the Following Statements About Napoleon's Invasion of Russia

Which of the following statements about Napoleon's invasion of Russia is correct?

A) Napoleon attacked Russia because it had become an unreliable ally who resisted the Continental System.
B) Russia's army was smaller than that of most other European powers and would be relatively easy for Napoleon to defeat.
C) The French military and public were more supportive of Napoleon during this campaign than at any other point during his rule.
D) Prussia and Austria enthusiastically came to Napoleon's aid during this battle.
E) Napoleon's army experienced fewer causalities than it had at any point during the Napoleonic Wars.