What were causes of sectionalism? Select four responses.

The causes of sectionalism were economic differences, states right's, social differences, and the issue of slavery. Furthermore, the issue of slavery really represented a big difference between people that supported slavery in the South and abolitionists in the North.

operation overlord was the codename for the battle of normandy, the allied operation that launched the successful invasion of german-occupied western europe during world war ii. the operation was launched on 6 june 1944 with the normandy landings