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What was one result of the creation of the interstate highway system?

APlane travel dropped dramatically.
BLocal roads were no longer being built.
CMore Americans moved into the inner cities.
DMore Americans were now able to move to the suburbs.

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MrZieleniewo

D. More Americans were now able to move to the suburbs.

Population growth after World War II was a cause of expansion of cities into suburbs.  The prices of homes in suburbs were more affordable to middle class families, due to lower land prices and new building practices like tract housing.  With the growth of the suburbs, improvement of roadways became a priority.  The Federal-Aid Highway Act passed in 1956 advanced and enabled further growth of the suburbs surrounding city centers.

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