President lincoln needed a union victory. he got it at the battle of fought near the town of sharpsburg, maryland -antietam -fort sumter -new orleans -chancellorsville

The answer to this question is Antietam. This battle was fought near the town of Sharpsburg in Maryland and is considered a turning point in the war. By losing this battle, Confederate general Lee, had to stop his invasion of the North and Lincoln could issue the Emancipation Proclamation.

a. theta waves. this is because the person is in a light sleep which means the brain waves would show these kind of waves.