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The elevator revolutionised the Vertical transportation and logistics. Prior to that, even though the usual transportation between places was developed mainly because of the advancements in the vehicle and naval transportation, moving things "up" and vertically was supper difficult. Mainly moving people.
The elevator allowed the development of the Skyscraper. Tall buildings that could house thousands of people and eventually that would become the symbol of America.
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Answer:
The 911 was terrorists doing.i was the first sign and hundreds died
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Chinese immigrants wanted to establish their own railroads.
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The Spanish class included Spanish colonists born in the Americas was called "Criollos," although it should be noted that not all colonists born in the Americas were necessarily included in this.
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