During the period known as the Era of Good Feelings (1817–1825), the United States experienced a brief period of political harmony as the Democratic-Republican Party appeared to dominate national politics after the decline of the Federalist Party. This time was marked by the presidency of James Monroe and a sense of national unity following the War of 1812. However, this era also laid the groundwork for significant political and sectional tensions that would later surface. Which of the following statements accurately reflects a significant outcome of the Era of Good Feelings concerning economic and sectional divisions in the United States?