Here is a report outlining somd of what the Japanese did to US and other prisoners. Ultimately, after the war, the United States tried and executed Japanese soldiers and officers for torture as war crimes. Waterboarding was a war crime that resulted in the US convicting and executing Japanese soldiers who employed it.
Mothers shed tears on both sides of the war. Sennibari or One-Thousand Stitch Belts were decorated with 1000 knots or stitches, and each stitch was normally made by a different woman. Senninbari were given as an amulet by women to soldiers on their way to war as a part of the Shinto culture of Imperial Japan. (Information from Wikipedia)
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