Which of the following is true regarding the onset of WW1? Pick one of the following and explain why
A. Governments and populations were unprepared for the wars length and extent
B. The military plans and strategies of the Great Powers were largely fulfilled
C. The declaration of war was greeted among the public with widespread opposition
D. A conference among the Great Powers nearly averted the conflict
E. Russia remained neutral pending the outcome of Austria's campaign against Serbia