There are several reasons why the role of the federal government in civil rights enforcement changed, but the main one is that southern states were not enforcing federal laws.
Many suffered from physical and mental injuries, while others felt hostility from civilians around them.
General Robert E. Lee, the Confederate commander of the Army of Northern Virginia, invaded Union territory in an attempt to persuade the United States into a negotiated peace after a hoped-for decisive and damaging attack on Northern soil. It was also believed that a notable Southern victory in Union territory might have resulted in financial support and recognition of the Confederate cause from England or France. General Lee's first invasion of the North, which took place in Maryland during September of 1862, was repulsed by Union forces at the Battle of Antietam, but it was followed by a second invasion by Lee into Pennsylvania during the months of June and July in 1863.
Answer:Because that's when great tasks were accomplished.
Explanation: