Sunday, September 13, 2009

Sept. 11 homework

The three major factors which contributed to the immense technological boom that took place in the United States after the Civil War were: oil, electricity, and steel. Steel enabled architects to design stronger, taller, and bigger buildings and structures. Steel was also used to make railroad tracks and barbed wire. Electricity enabled us to power many machines which didn't have to be placed next to a river to get energy.

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