１９１９年在巴黎和会上，以美英为首的西方列强无视中国代表的要求，擅自把德国在山东的权益转让给日本。中国外交的惨重失败给为“公理”而欢呼的中国人当头浇了一盆冷水，轰轰烈烈的五四运动爆发。在五四运动和中国人民的抗议和支持下，驻巴黎的中国代表团为维护祖国主权，? In 1919, at the Paris Peace Conference, the Western powers headed by the United States and Britain disregarded the demands of the Chinese representatives and arbitrarily transferred their German interests in Shandong to Japan. The heavy defeat of China’s diplomacy gave the Chinese people who cheered for “Axiom” to pour a bowl of cold water. The vigorous May Fourth Movement broke out. With the May Fourth Movement and the Chinese people’s protests and support, the Chinese delegation in Paris defended the motherland’s sovereignty?