One important factor affecting the water quality is the area's temperature and rainfall, and Hunt's model is set up for the mid-Atlantic region of the United States.

VOA: standard.2010.08.04

On June 25th, Tesco announced a deal with America's Safeway group to extend its online-grocery model into the United States.

ECONOMIST: The future of e-tailing | The

The two-year contract is a tried-and-true model in the United States.

FORBES: T-Mobile Ditches Contracts, Phone Subsidies

It was such a disaster that the Founding Fathers decided to move to a distributed, free-banking model for the new United States.

FORBES: Assuming We 'End The Fed,' What's The Next Step?