But even though it seemed most important as a military measure, the proclamation greatly impacted Lincoln’s views on slavery. The Emancipation Proclamation had turned the Civil War into a hard battle in that we lost a lot of people in to preserve in the Union thanks to one man who was behind the ending of slavery and set a course for how the nation would be reshaped after that historic event in history. The battle began at Antietam Creek. The battle ended in 12 hours and 23,000 soldiers were killed in battle. It was a battle of the Northern Virginia vs Union soldier George McClellan. The First Battle of Bull Run, also known as the Battle of Manassas, marked the first major land battle of the American Civil War. On July 21, 1861, Union and Confederate armies battled near Manassas Junction, Virginia. The battle began when about 35,000 Union troops woke up from the capital in Washington, DC to strike the Confederate force of 20,000 at a little river that was known as Bull