After the Sevier affair and the duel, Jackson was looking for a way to salvage his reputation. He chose to align himself with former vice president Aaron Burr. Burr's political career ended after the killing of Alexander Hamilton in a duel in 1804; in 1805 he set out on a tour of what was then the western United States. Burr was extremely well received by the people of Tennessee, and stayed for five days at the Hermitage. Burr's true intentions are not known with certainty. He seems to have been planning a military operation to conquer Spanish Florida and drive the Spanish from Texas. To many westerners like Jackson, the promise seemed enticing. Western American settlers had long held bitter feelings towards Spain due to territorial disputes and their persistent failure to stop Indians living in Spanish territory from raiding American settlements. On October 4, 1806, Jackson addressed the Tennessee militia, declaring that the men should be "at a moment's warning ready to march." On the same day, he wrote to James Winchester, proclaiming that the United States "can conquer not only the Floridas [at that time there was an East Florida and a West Florida.], but all Spanish North America." He continued: