What Is Considered the Worst Aspect of the Peace Agreements

What is considered the worst aspect of the peace agreements that followed World War I?

A) The League of Nations did not remain under the control of the victors.
B) The attempt by the victors to ignore the political realities in Europe and elsewhere.
C) The extreme leniency shown to the defeated nations who started the war.
D) The encroachment of colonialism in Central and South America.
E) The treaties were negotiated in Paris in one of the countries involved in the war.