(A) Seven states seceded from the Union
(B) ** The shelling of Fort Sumter
(C) The assassination of Abraham Lincoln
(D) The burning of Atlanta
EXPLANATIONS BELOW
Concept note-1: -The Battle of Fort Sumter (April 12–13, 1861) was the bombardment of Fort Sumter near Charleston, South Carolina by the South Carolina militia. It ended with the surrender by the United States Army, beginning the American Civil War.
Concept note-2: -At 4:30 a.m. on April 12, 1861, Confederate troops fired on Fort Sumter in South Carolina’s Charleston Harbor. Less than 34 hours later, Union forces surrendered. Traditionally, this event has been used to mark the beginning of the Civil War.
Concept note-3: -The bombardment of Fort Sumter would play a major part in triggering the Civil War. In the days following the assault, Lincoln issued a call for Union volunteers to quash the rebellion, while more Southern states including Virginia, North Carolina and Tennessee cast their lot with the Confederacy.
Concept note-4: -On April 12, 1861, forces from the Confederate States of America attacked the United States military garrison at Fort Sumter, South Carolina. Less than two days later, the fort surrendered. No one was killed. The battle, however, started the Civil War, the bloodiest conflict in American history.
Concept note-5: -On April 7, 1863, the war returned to Charleston Harbor when the US Navy, with a fleet of nine ironclads, attacked Fort Sumter.