Its leader gave the Jewel Voice Broadcast in 1945, during which this country announced its unconditional surrender.
At the Khabarovsk trial, the Soviet Union found soldiers from this country guilty of war crimes. It's not Nazi Germany, but this country's Epidemic Prevention and Water Purification Department conducted brutal experiments on humans without anesthesia. This country's Unit 731 dropped bubonic plague bombs on Chinese cities. Women forced into prostitution by this country's soldiers were known as comfort women. Its leader gave the Jewel Voice Broadcast in 1945, during which this country announced its unconditional surrender. For 10 points, name this Asian country whose emperor during World War II was Hirohito.
At the Khabarovsk trial, the Soviet Union found soldiers from this country guilty of war crimes.
Japan [or Nippon; or Nihon]