Abraham Lincoln the 16th President of the United States, who served during the American Civil War had two different Vice-Presidents his first was Hannibal Hamlin and then for his second term, in an effort to sway more Democrats to his side choose Democrat Andrew Johnson who would become the 17th President of the United States when Abraham Lincoln was assassinated.
Richmond Virginia
Alexander Stephens
Grant was the commander of the Union (i.e. United States) army during the Civil War.
There were many negative effects of the US Civil War. To note one huge negative effect was the loss of over 620,000 lives because Americans could not reach a compromise on issues that divided the nation. The loss of lives has to be the major negative effect.