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television , airplane, electricity , car , computer , internet , microsoft windows , film industry (hollywood) ,fast food , cola

believe it or not the last part may not sound important but

considering billions of people enjoy and use these items and

they generate billions of dollars for the us economy for decades.

2007-06-26 14:04:31 · answer #1 · answered by Anonymous · 3 1

The invention the American economy most benefited from was not American, but English. It was the steam engine. Without it, the U.S. would not have industrialized during the 19th century...

2007-06-26 14:53:35 · answer #2 · answered by NC 7 · 1 1

The transistor. It's design is the basis for most modern electronics.

2007-06-26 13:49:50 · answer #3 · answered by Anonymous · 1 0

Electricity.

.

2007-06-26 13:49:45 · answer #4 · answered by It's Kippah, Kippah the dawg 5 · 1 1

Rifling in gun barrels and the repeating mechanism.

2007-06-26 13:55:13 · answer #5 · answered by Anonymous · 1 1

Television? It makes viewers more dumb. And easily manipulated.

2007-06-26 13:46:27 · answer #6 · answered by Anonymous · 0 2

Nuclear Bomb,

Face it, without it the US foreign policy would have gotten them "liberated" long ago...

2007-06-26 13:44:54 · answer #7 · answered by ★Greed★ 7 · 0 3

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