The first part deals with threats to humanity from nature's violent forces.

At this place the wall appeared to have been separated by some violent subterranean force.

She was a handsome, head- strong girl, a rebellious and violent force in a provincial society.

In that instant something struck his upper body with violent force.

"Women are the ones who exert violent force and psychological torture."

The reality is that it takes violent forces to cause these injuries.

He accused the police of using "violent and humiliating force".

What he didn't realize was that a tornado, the most violent force in nature, had passed just beyond his nose.

Threat is met, often resolved, by means of concerted, usually violent, force.

He represents violent forces that are turned toward the good of humankind.