1940年6月，法国战败，作为第二次世界大战史上的一个重大事件，极大地改变了欧洲乃至整个世界政治力量的对比，促使各大国立即调整其对外政策，对中国的局势和中国的抗日战争产生了重大的影响。1940年5月，德军在西线发动强大攻势，横扫荷兰、比利时和法国北部，仅一个多月就 In June 1940, the defeat of France, as a major event in the history of the Second World War, greatly changed the contrast between the political forces in Europe and the world as a whole. It prompts the major powers to immediately adjust their foreign policies and the situation in China and the anti- The war has had a major impact. In May 1940, the Germans launched a powerful offensive in the western part of the country, sweeping the Netherlands, Belgium and northern France, just over a month