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.

the dominoes began to fall. the surrender at appomattox took place a week later on april 9. while it was the most significant surrender to take place during the civil war, gen. robert e. lee, the confederacy's most respected commander, surrendered only his army of northern virginia to union gen. ulysses s. grant

explanation:

after defeating german forces in north africa allied leaders turned their attention to "italy," since this was the location that made the most geographic sense before invading northern europe via france.