Final answer:
The Interstate Highway System, established in 1956, revolutionized transportation in the United States, fostering urban growth and economic prosperity.
Explanation:
The Interstate Highway System was created in 1956 as a national defense initiative to enhance troop and equipment movement. It led to the construction of 40,000 miles of highways, enabling rapid transportation across the country. This system significantly impacted cities, suburbs, and businesses, promoting urban expansion and economic development.
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