Abraham Lincoln became the first Republican President and pledged to keep slavery out of the U.S. territory
This new nation was not recognized by Lincoln because it would discredit democracy of US.
Claiming this United States fort as their own, the Confederate army opened fire and forced it to lower the American flag in surrender.
Battles of Siloh, in Tenessee, of Antietam in Maryland. There were also Western Theater along Ohio River and Sioux indians were hunged.
Robert Lee won in Battle of Chancellorsville but defeated in Gettysburg, Vicksburg, Chatanooga
Although the Confederation fought in some territories, the Unión had advantages because of its population.
Lee surrender the Union troops. Other surrended confederation man was Johnston.
President Lincoln was assassinated in a Theater by John Booth, a pro-slaver.
President Andrew Johnson issued an Amnesty proclamation for all former confederates