Why did the United States government spend money to improve both the National Highway System and the Interstate Highway System? How did the building of this system affect South Carolina's economy?

The United States government spent money to improve both the National Highway System and the Interstate Highway System in order to facilitate transportation and improve connectivity across the country. This system was created to support economic growth, enhance national defense and security, foster interstate commerce, and provide a reliable and efficient network for travelers.

The building of the highway system significantly affected South Carolina's economy by improving the state's transportation infrastructure. The construction of highways provided easier access for businesses to ship goods and services, connect to markets, and attract tourists. This increased connectivity led to economic development, job creation, and stimulated growth in industries such as tourism, manufacturing, and agriculture. Additionally, the highways provided opportunities for retail and hospitality sectors to thrive, as well as improved transportation for residents to commute to work and access educational and healthcare facilities. Overall, the highway system played a crucial role in driving economic growth and prosperity in South Carolina.