Which of the following issues were raised in the novel uncle tom's cabin that further divided the nation along sectional lines and ultimately contributed to the outbreak of the civil war? 1) the novel highlited the cruelty of slavery 2) th novelty highlited the importance of slavery for economic reasons 3) the novel made it clear that the confederate states could function independent of the union 4) the novel illustrated the need for slavery in the north.

1). The novel highlighted the cruelty of slavery.

Explanation:

The novel "Uncle Tom's Cabin" by Harriet Beecher Stowe is chiefly inclined towards illustrating and criticizing the detrimental impact of slavery and highlighted other social issues like violence, religion, and femininity.

As per the question, the novel 'highlighted the cruelty of slavery' that divided the nation along the sectional lines and eventually led to break out of the 'Civil War'. Stowe mirrors her 'anti-slavery' ideals by portraying the dark reality of the evil practice like 'slavery' and its disastrous after-effects through the character like Uncle Tom. Thus, option 1 is the correct answer.