The victory at the battle of Antietam gave Abraham Lincoln a platform to issue the Proclamation from a position of strength. This changed the character of the Civil War and prevented the European powers from intervening on behave of their trading partners of the Southern Confederacy.
guys I promise you its sewing machine because the sewing machine sewed the clothes while thy cotton gin only worked on the cotton not actual clothes. so the answer should be SEWING MACHINE.
