Administration officials note that improving technology has already allowed Americans to live better with far less energy than they would otherwise use.

Low interest rates have allowed Americans to tap the rising value of their homes.

Since the 1960's there has been a breakdown in the machinery that allowed Americans to work together across class and other divisions.

It was a winning strategy, but it allowed Americans to take all the glory.

The goods made by that technology allowed Americans to have better clothing at lower cost.

These innovations are allowing Americans suffering from major illnesses to live longer, healthier lives.

Zeal for the 90-degree angle allowed Americans to rush in bursts across the continent.

Many colleges and universities in the northern states would also allow African Americans on to play their football teams as well.

For the first time, the 2000 census allowed Americans to check more than one category to identify their race.

Since that order was issued Libya has allowed Americans who have not been granted an exemption to enter the country.