Which of the Following Was NOT a Major Contributing Factor

Multiple Choice

Which of the following was NOT a major contributing factor to the eventual Soviet victory against Germany?

A) Russian skill at studying the systematic Blitzkrieg,then using its flaws to trap and destroy large German army groups.
B) Relentless propaganda campaigns designed to convince Germany's allies of the Nazis' unreliability and the hopelessness of their cause.
C) The personal determination of Soviet soldiers and civilians,who endured massive casualties,starvation,and disease to achieve victory.
D) The hard blows of the Russian winter against the lives,supplies,and morale of Axis forces unprepared for the bitter weather.
E) The willingness of Russian military leaders to sacrifice large numbers of their own soldiers to ultimately defeat the Germans.