七七事变的发生,不是偶然事件,也不是局部冲突,而是日本军国主义蓄谋已久的扩大对中国侵略的关键环节,是日本全面侵华政策的必然结果。日本为摆脱和转嫁1929年至1933年世界经济危机的影响,在实施“开发满洲”五年计划的同时,把华北作为掠夺资源的目标,妄图把华北变成第二个“满洲国”。华北当时是中国政治、经济、文化中心地区之一,具有极为重要的战略地位。对日本来说,夺取华北是其实现灭亡中国、称霸亚洲的关键环节,他们早在数年前就定下了侵占 The occurrence of the Seventy-Seven Incident was not an accident or a partial clash. It was a long-awaited plan by Japan’s militarists to expand its key links to China’s aggression and was an inevitable result of Japan’s policy of its total invasion of China. In order to get rid of and pass on the impact of the world economic crisis from 1929 to 1933, Japan implemented North China as the target of plundering resources while attempting to implement the “Five-Year Plan for Manchuria Development” and attempted to turn North China into the second “Manchukuo” ". North China was one of the political, economic and cultural centers of China at that time and was extremely strategically important. For Japan, seizing North China is a key link in its efforts to destroy China and dominate Asia. They set invade and occupy as early as a few years ago