Their hold in the south was sufficient to last through the winter, when rains would make fighting impossible.

This demand, he says, was simply "intended to make fighting impossible."

These changes in Colorado and elsewhere have helped make fighting fires far more expensive than ever.

Machine guns made fighting harder and more dangerous between airplanes.

White made fighting pollution in and around the Houston area a top concern during his third term.

But that made fighting the bad strategies even harder in a way, because everyone was pursuing them to some extent.

Richard made fighting with a blade look like art.

The winter of 1916-17 was extremely harsh, which made fighting nearly impossible.

There is no evidence of outside direction, he said, and that makes fighting them challenging in a different way.

She tried to scream, but it only made fighting the water worse.