For 25 years, the colonists and the Iroquois had been constantly involved in violent aggressions against each other.

More important: What is it about the slaughter of whales that requires such violent aggression in its defense, anyway?

High testosterone levels combined with low serotonin levels may increase violent aggression.

Which is why, given China's historic and violent aggression against the Tibetan people, it's hard not to read the film on several levels at once.

"Your own history displays the same patterns of evolving technology and increasingly violent aggression that required our own creation."

There are precedents, of course, for such violent aggression.

So it eventually re-emerges as violent aggression - or as physical disease, depression, 'accidents' or other traumas.

This program consisted of violent verbal aggressions, forcing the employees to repent by writing extensive reports.

They supported violent aggression or force in order to convert Serbo-Croatian speaking Serbian Orthodox believers.

They are therefore ideal locations to test a novel hypothesis: that violent aggression is largely a product of poor nutrition.