Originally Posted by Zhang Fei

The Japanese weren't very methodical at all. The Nanking massacre was just a case of soldiers running amuck. The human experimentation was an attempt to discover the limits of human endurance, just as Moose Dung's (Mao Zedong's) execution* of millions of property owners after the "Liberation" was an attempt to discover what Chinese society would be like without property owners.

* The starvation and the deliberate fomenting of civil war came later, during the Great Leap Forward and the Cultural Revolution, respectively.