Several dozen stringers still file regular reports from key regions of the world.

The South, a key region for growth, fell 4 percent.

For decades, the area was a key tobacco-growing region.

U.S. security commitments reduce competition in key regions and act as a check against potential rivals.

For unknown reasons, the human immune system fails to make antibodies against this key region of the virus.

Bavaria had been the key region in the development and rise of Nazism.

World News Today will also focus on key regions at different times.

Its three movements last about a half-hour, during which there are identifiable key regions.

So I took a look at a few key regions to see which habits we Americans could make our own.

The 4 refers to deterring hostilities in four key regions of the world.