1. Northeastern united states. Geography the northeast region is the smallest area in the census bereau. The region's landscape varies from the rocky coast of new england to the fertile farmland of the ohio river valley allegheny front in pennsylvania.

2. geography. European settlement of the area began in the 17th century. The french started a network of fur trading posts. French control of the area ended in 1673 in the conclusion of the french and indian war.

3.  geography. the United States includes sixteen states and the District of Columbia (with a total 2006 estimated population of 109,083,752.) Thirty-six percent of all U.S. residents lived in the South, the nation's most populous region.

4.  Plains make up most of theeastern part of the west. In the Pacific Coast states, the wide areas filled with small towns, farms, and forests are supplemented by a few big port cities which have evolved into world centers for the media and technology industries.