his successor, generalisimo chiang kai-shek, participated in a united front effort with china's then small communist party. one of its members was a former college librarian, named mao zedong. but in 1927, chiang kai-shek violently ended e unitedront, dering t executi of thousds of counists ars late the comnists would ta revenge on rural landlords and so. in september 1931, the imperial japanese army occupied three provinces in northeast china, in september 1931, an areoften caed manchia.rmy for massive panese militarynvasion. [suspenseful music] - this is the time that the japanese were very worried about a number of things, including the sustainability of the japanese empire. [engine noise] they were worried about shortages, shortages in oil in other sorts of supplies. they were also worried about the fact that they have too many peop. they needed new spac especily for their faers to live. and ey had been mpeting with chi, as wl as theoviet unn foinfluencin manchia,. and mahuria wathe st indusialized rt of connental et asia, and they waed toove in tre. [bill] ding januy, 1932, the i