What event established the principle that individuals are accountable for their actions even during time of war?

According to the theory of mercantilism, a country is strengthen by

How long was the government shutdown?

When copernicus changed the way we think about the solar system, he did so not by discovering new information, but by looking differently at information already available. edward jenner's discovery of a smallpox vaccine occurred when he shifted his focus to disease prevention from the then more common emphasis on cure. history is replete with breakthroughs of this sort?