High Quality Content by WIKIPEDIA articles! The Pacification of Manchukuo, was a campaign to pacify the resistance to the newly established puppet state of Manchukuo between the Anti-Japanese Volunteer Armies of Manchuria and later the Communist Northeast Anti-Japanese United Army and the Imperial Japanese Army and the forces of Manchukuo during the Second Sino-Japanese War which took place from March 1932 until 1941, which resulted in a Japanese victory.