Drag the tiles to the correct boxes to complete the pairs. Match each Civil War battle or campaign to its effect. showed the Union it would not easily defeat the Confederacy impressed President Lincoln with Ulysses S. Grant’s leadership became the deadliest single-day battle in the Civil War caused Lincoln to lose confidence in General George McClellan Battle of Antietam arrowRight First Battle of Bull Run arrowRight Battles at Fort Henry and Donelson arrowRight Peninsula Campaign arrowRight