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Hace 18 horas · Unit 731 was a clandestine division of Japan's Kwantung Army based in Manchuria during World War II. Led by Lieutenant General Shirō Ishii, the organization dedicated to the advancement of biological weaponry within the imperial army was commonly referred to as the Ishii Network.
Hace 18 horas · Manchuria, however, was formally closed to Han settlement by the Willow Palisade, with the exception of some bannermen. Nonetheless, by 1780, Han Chinese had become 80% of the population. The relatively low populated territory was vulnerable as the Russian Empire demanded the Amur Annexation annexing Outer Manchuria.
