Multiple choice After their victory at the Battle of Shiloh, what did the Union forces gain? the Potomac River control of Corinth Virginia Atlanta Reveal answer Fill a bubble to check yourself B Correct answer Explanation Following the Union victory at the Battle of Shiloh in April 1862, Union forces advanced to lay siege to Corinth, Mississippi. Corinth was a vital rail junction, and capturing it allowed the Union to disrupt Confederate supply lines in the West.