Undertook Lethal facts

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A Japanese research unit which undertook lethal human experimentation on men, women and children during WW2 was given immunity by the U.S. in exchange for their data on human experimentation.

how to make a child understand consequences?

Unit 731, a covert biological warfare research and development unit of the Japanese Army that undertook lethal human experimentation. A few of the experiments included vivisection without anesthesia and pressure chambers to see how much a human could take before his eyes popped out.

At what age do toddlers understand consequences?

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at what age does a child understand consequences?