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? Answer with 3 to 4 sentences.
The United States government spent money to improve both the National Highway System and the Interstate Highway System to enhance transportation infrastructure, facilitate commerce, and promote economic growth. The building of this system had a significant impact on South Carolina's economy by improving connectivity within the state and with neighboring states, facilitating the movement of goods and people, and stimulating economic development along major transportation corridors. Additionally, the construction of highways attracted businesses and industries to the state, creating jobs and increasing economic opportunities for South Carolinians.
