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  This made it easier to plant seeds in al straight row. It also made it so the seeds would be planted deeper, and wouldnt get washed away as easy.
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  The steam engine powered the factorys. Without it there would have been little progress made.
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  This changed the way people lived and made the economy move foward
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  Made the cotton business a money making business, and turned the south from a society with slaves to just a slave socitey
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  Everything was shared throughout the community. Everybody was equal there was not "im rich" or "Im poor"
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  Without the lightbulb we would be still be using a candle to light the house. We also wouldnt have night jobs without the light bulb
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  Made the work place more productive. Everybody had a job to do to complete one main thing.