Which of the Following Statements Concerning the Peace Conference at Vienna

Which of the following statements concerning the peace conference at Vienna following the fall of France is most accurate?

A) The allies intended to punish France severely in order to make certain that no further revolution was possible.
B) Territorial adjustments reached at Vienna kept Europe fairly stable for almost half a century.
C) Successful restoration of conservative monarchies and promotion of internal peace was achieved for a century.
D) Poland emerged as one of the winners in the territorial realignments that followed the wars.