<P> On 12 December 1936 , the disgruntled Zhang Xueliang and Yang Hucheng conspired to kidnap Chiang and force him into a truce with the CPC . The incident became known as the Xi'an Incident . Both parties suspended fighting to form a Second United Front to focus their energies and fighting against the Japanese . In 1937 Japan launched its full - scale invasion of China and its well - equipped troops overran KMT defenders in northern and coastal China . </P>
<P> On 12 December 1936 , the disgruntled Zhang Xueliang and Yang Hucheng conspired to kidnap Chiang and force him into a truce with the CPC . The incident became known as the Xi'an Incident . Both parties suspended fighting to form a Second United Front to focus their energies and fighting against the Japanese . In 1937 Japan launched its full - scale invasion of China and its well - equipped troops overran KMT defenders in northern and coastal China . </P>
who invaded china in 1937 and occupied the best farmland by 1938
who invaded china in 1937 and occupied the best farmland by 1938
Japan
Japan