Which area believed that a state had the right to justify (ignore) a federal law or secede or (withdraw) from the union? did the north and south agree on (cheap eastern land) agreement?
The South believed that a state had the right to justify or secede from the union, while the North did not agree with this belief. The issue of secession was one of the key factors that led to the Civil War.
Both the North and the South did not agree on the "cheap eastern land" agreement. This was a contentious issue that contributed to the tensions between the two regions leading up to the Civil War.