Sectionalism was caused by multiple issues at that time. It occurred
because of slavery, slave power conspiracy, economic differences and cultural
differences. The main cause of sectionalism was slavery because how Northerners
don’t like how Southerners don’t see the immorality of it.
The radical republicans differ from Lincoln's plan because they thought the war was easy towards the south.
Explanation:
Radical republicans believed that the Lincoln plan for reconstruction was not harsh enough because from their point of view the south was guilty of starting the war and the deserved to be punished as such. The south needed to be rebuilt the civil war.
President Andrew Johnson, the successor to President Abraham Lincoln, after his assassination had a very difficult idea about it than with radical republicans.
It was 1/2 of the united states total land.
With the end of the Civil War came a great transition into a mechanized and factory-based economy, which took workers away from the farms and put them into the factories. Many people saw this is corporate great, which was in some ways true--this led to the formation of many unions and workers organizations.