22.The Interstate Highway System was created, leading to the construction of thousands of miles of highways across the United States.

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interstatehighway
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highways
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transportation
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infrastructure
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presidenteisenhower
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federalgovernment
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construction
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roads
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travel
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automobiles
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interstates
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bridges
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traffic
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engineering
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logistics
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expansion
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economicgrowth
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urbanization
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nationalnetwork
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maintenance