Which of the Following Was NOT a Consequence of the Congress

Which of the following was NOT a consequence of the Congress of Vienna?

A) a balance of powers that lasted until the 1870s
B) the avoidance of a major European war for about a hundred years
C) growing pressure to satisfy the national aspirations of a number of European people denied statehood
D) the disarming and isolation of France
E) subordination of the interests of smaller states for the sake of peace among the Great Powers