Final answer:
Southern leaders strongly opposed Abraham Lincoln because they believed he wanted to end slavery in the United States, which threatened their economy and way of life. They also feared he would reduce their political power and representation in the national government.
Step-by-step explanation:
Leaders in Southern states strongly opposed Abraham Lincoln during the 1860 presidential election because they believed he wanted to end slavery in the United States. Slavery was a vital part of the Southern economy and their way of life, and they feared that Lincoln's policies would threaten their livelihood.
Additionally, they viewed Lincoln as a threat to their political power and representation in the national government. The Southern states had concerns about the potential for Lincoln to reduce their influence and prioritize the interests of the Northern states.
It is important to note that while some Southern leaders criticized Lincoln for various reasons, the primary opposition stemmed from their fear that he would work towards the abolition of slavery.
Learn more about Southern opposition to Abraham Lincoln