九·一八事变让国民政府的经济建设横遭变故。中原大战之后,盘踞在中国东北的日本关东军趁张学良东北军主力留驻华北之机,于1931年9月18日由铁道“守备队”炸毁沈阳柳条湖附近日本修筑的南满铁路路轨,并放置3具身穿奉军士兵制服的中国人尸体于现场,作为破坏铁路的证据栽赃嫁祸于中国军队。以此为借口,日军炮轰沈阳北大营,引发了震惊中外的“九·一八事变”。次日,日军攻占沈阳,在此后不到半年的时间内,东北地区100万平方 The September 18th Incident caused the Kuomintang government’s economic construction to deteriorate. After the Central Plains War, the Japanese Kwantung Army entrenched in northeast China took advantage of the mainstay of the Northeast Army stationed in North China on Sept. 18, 1931, and destroyed the South Manchurian Railway track built by Japan near Wicker Lake in Shenyang on September 18, 1931 , And placed 3 bodies of Chinese people wearing uniforms of the Fengjun soldiers on the scene and used them as a proof of destruction of the railway to blame on the Chinese army. Using this as an excuse, the Japanese bombarded Shenyang Beidaying, which triggered the “September 18 Incident” that stunned China and other countries. The next day, the Japanese army captured Shenyang, less than six months later, the northeast region 1000000 square