The Era of Good Feelings, which characterized the presidency of James Monroe from 1817 to 1825, was marked by a sense of national unity and purpose following the War of 1812. However, this period also faced significant challenges that undermined the notion of widespread harmony. As the United States expanded westward and industrialized, regional differences and economic strain began to surface.
Which of the following developments during the Era of Good Feelings most significantly contributed to sectionalism in the United States?