What Henry Clay's American System included federal subsidies for projects such as the Erie Canal and National Road in order to bind which sections of the country together?

Henry Clay's American System aimed to promote economic unity and development among the Northern, Southern, and Western regions of the United States. By advocating for federal subsidies for infrastructure projects like the Erie Canal and the National Road, Clay sought to enhance transportation and trade, thereby facilitating the movement of goods and people across different sections of the country. This interconnectedness was intended to strengthen the national economy and foster a sense of unity among diverse regions.