Final answer:
The North and South went to war due to economic systems, state rights, and slavery. The South fought to preserve states' rights and their agrarian way of life while the North fought to preserve the Union and end slavery.
Step-by-step explanation:
The North and South went to war because of a variety of reasons including differences in economic systems, state rights, and the issue of slavery. The South fought to maintain states' rights and preserve their agrarian way of life based on slavery, while the North fought to preserve the Union and abolish slavery.
Learn more about Causes of the Civil War