Significant Events During the Era of Good Feelings

The 'Era of Good Feelings' is often described as a period of relative political harmony and national pride in the United States following the War of 1812. This time was characterized by the dominance of the Democratic-Republican Party, which effectively eliminated the Federalist opposition. Despite its name, the era was not without challenges, including economic turmoil and regional tensions. In light of this context, which of the following events most significantly contributed to the notion that the United States was experiencing unity during the 'Era of Good Feelings'?