Huck's upbringing in the South influences his initial acceptance of slavery, as that's how he was raised. He assists Jim because of their friendship. Additionally, Huck, being a young boy, would benefit from having a companion for his journey. When Jim learned that Huck was planning to leave, he expressed a desire to join him, despite having some doubts that Huck wouldn't betray him as a runaway. Throughout the narrative, there are moments when Huck grapples with the morality of his actions. Ultimately, his decision to help Jim stems from their bond as friends.
The U.S. nearly doubled its land size in a span of about five decades. Not only did the area increase, but it also led to a surge in bureaucratic challenges associated with territorial expansion due to two major acquisitions: one by Thomas Jefferson in 1803 and another by James K. Polk in 1848. At that time, Jefferson faced many difficulties in governing such an extensive area but managed to turn the Louisiana Purchase into a remarkable success for the nation. Conversely, Polk obtained land through questionable means and ignored the devastating civil conflict that would eventually engulf the country. The contrasting leadership styles are illustrated in the U.S.'s significant territorial growth, with Jefferson displaying skilled and courageous leadership compared to Polk's impulsive and careless actions.