Answer: The economic reason for the civil war was the taxes on imported and exported goods. The tariffs that the national government put on imported and exported goods affected the Southern economy, but benefited the Northern economy. This added tensions between the Union and the Southern states.
The southern economy depended on selling cotton overseas, but the North had become very industrialized, and their profits went down when trading with England and other European countries was so easy, so the U.S. put taxes on importing and exporting goods to encourage trade between the sections of the country.
Step-by-step explanation: For more than 80 years, people in the Northern and Southern states had been debating the issues that ultimately led to war: economic policies and practices, cultural values, the extent and reach of the Federal government, and, most importantly, the role of slavery within American society.