Which event led to a significant conflict between Calhoun and President Jackson?

The Eaton Affair serves as a key event that exposed and escalated the rift between Vice President John C. Calhoun and President Andrew Jackson. This controversy revolved around the social ostracism of Peggy Eaton, the wife of Jackson's Secretary of War, John Eaton. The scandal highlighted the tensions within Jackson's cabinet and revealed deeper issues regarding loyalty and political alliances. Calhoun, aligned with the members of his wife’s social circle who snubbed Peggy, found himself at odds with Jackson, who sought to support her and dismiss the scandal as malicious gossip.

The implications of this affair went beyond personal animosities; it reflected broader political divisions and differing views on social propriety and loyalty. As Jackson pushed back against the behavior of his cabinet members, it not only strained his relationship with Calhoun but also laid the groundwork for future confrontations, particularly surrounding issues of states’ rights and national authority, prominent in the upcoming Nullification Crisis.

The other options, while important in their own right, do not capture the immediate and personal nature of the conflict that arose from the Eaton Affair. The Nullification Crisis, for example, was focused on states' rights and tariffs, and while it intensified the conflict between Jackson and Calh