单项选择题
typically represented the world pattern between the two world wars（）
A.The Versailles Treaty System B.The Versailles Treaty System and the Washington Treaty System C.The collapse of the German,Austro-Hungary and the Ottoman colonial systems D.Both B and C
单项选择题 The essence of the Paris Peace Conference was（）
单项选择题 The policy the United States actually pursued in the first two years of WWI was（）
单项选择题 One of the contributions of Woodrow Wilson was（）
