The one main conflict was about slavery being allowed in the U.S. The north wanted slavery while The South wanted peace and no slavery at all. This led to a divided nation.Here is the second conflict.States authority over federal authority. The boundary line that decided if a new state entering the union would be a northern free state or a southern slave state.
On that day, some 156,000 American, British, and Canadian forces landed on five beaches along the Normandy coast of France in the largest amphibious military assaults in history. Over 4,000 Allied troops were confirmed dead and thousands were wounded or missing.