北洋军阀作为国共两党在领导的国民革命中被打倒的对象,被认定为帝国主义列强的走狗,北洋外交自然也是“卖国外交”。北洋外交史研究长期以来受政治意识形态的影响巨深。对此,长期研究北洋外交史的专家,台湾政治大学历史系教授唐启华感触最深切。 As the target of the KMT-CPC being overthrown under the leadership of the national revolution, the Beiyang warlords have been identified as the lackeys of the imperialist powers. Beiyang diplomacy naturally is also “traitorous diplomacy.” The study of the history of the Northern Diplomacy has long been deeply influenced by political ideology. In response, Tang Chih-hua, a long-time expert on the history of the Northern Diplomacy and Professor of History at Taiwan’s National Chengchi University, has the deepest feelings.