Original sentence: According to a report compiled by the Relief Bureau of the Japanese Ministry of Health and Welfare in March 1964, combined Japanese Army and Navy deaths during the war (1937–45) numbered approximately 2,121,000 men, mostly against either the Americans and their allies (1.1+ million) in places such as the Solomons, Japan, Taiwan, the Central Pacific, and the Philippines, or against various Chinese factions (500,000+), predominantly the NRA and CCP, during the war on the Chinese mainland, the Chinese resistance movement in Manchuria and Burma campaign
Edited sentence: According to a report compiled by the Relief Bureau of the Japanese Ministry of Health and Welfare in March 1964, combined Japanese Army and Navy deaths during the war (1937–45) numbered approximately 2,121,000 men, mostly against either the Americans (1.1+ million) in places such as the Solomons, Japan, Taiwan, the Central Pacific, and the Philippines, or against various Chinese factions (500,000+), predominantly the NRA and CCP, during the war on the Chinese mainland, the Chinese resistance movement in Manchuria and Burma campaign