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Telephone because you can speak to people easily.

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I think Air condition IS was the number 1 thing because without it we would eathier be freezing our butts off or we would be sweating.

But there are many reasons why.

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I think the greatest invention is the airplane because it is faster and easier than a street car and it is safer.

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I believe that the telephone was the greatest invention because it helped revolutionize the way we talked to people across the USA and the globe. Many people don't think of this as a great invention because of smartphones. The real inventor of the telephone was Alexander Graham Bell.

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I think that TNT is inprtent

because of the transcttnetel
real rode for tonels

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I think that the dynamite is the 1st thing because it helped blow up the big rocks so Imagrants and other people could build the railroads

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I think that the most important invention was the transcontinental railroad because it helped transportation and helped farmers and ranchers ship there products and make money to afford other things for there farm and not for there farm.

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The invention I believe that is the most important to me is the incandescent light bulb. The Incandescent light bulb is the most important because they gave light to people that had a very dark house so they gave it so they won't trip sn

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I think the incandescent lightbulb is the greatest invention because, without the light bulb we would be in the dark at night. With the light bulb we have light when we are in the darkness of the night.

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I think that the light bulb is the best invention because it helped people see better at night and it was the greatest invention.

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The greatest evention is the telephone because it allows you to call people around the world.

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I believe the greatest invention is the flying machine because you could get places overseas and with out it if family members lived in different places that are over seas you would not be able to see them.

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I think the assembly line was the best invention in the industrial revolution because it made making things like cars easier. It made peaple do stuff in a specific order and each peaple had a special job

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I think that the dynamite was the greatest invention because with out dynamite they wouldn't be able to go though the mountain for the transcontinental railroad to ship goods and the transcontinental railroad wouldn't be finished.

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The transcontinental railroad is my very favorite invention because it helped people ship crops faster and take people were they need to go fasterand  cheaper.

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I think the telephone is important because it let's people communicate from far places or distances.

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I think the greatest invention of the Indstrial Revolution is the telephone invented by Alexander graham bell

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I think the flying machines is the most important invention because it let people get around the world.

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The Incandescent Light Bulb is the best because it helped people work in the dark and see at night.

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I think that dynamite is the 1st, because without the dynamite, then the Transcontinental Railroad would not be finished.

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Official website of the Department of Homeland Security

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I think it is the transcontinental railroad because it helped people travel faster and helped send goods to stores to make money

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Inventions: Transportation Pictures - Transcontinental Railroad - HISTORY.com

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I think it's the telephone because with it we can communicate far away and don't have to use codes.