Answer:
It allowed the Union to focus on fighting in border states.
Step-by-step explanation:
This is the explanation that best describes the way in which the capture of Vicksburg contributed to the Union victory in the Civil War. The capture of Vicksburg took place on July 4, 1863. In the siege and the following victory, General Ulysses S. Grant crossed the Mississippi river and drove the Confederate Army into the defensive lines that surrounded the city. This completed the Northern strategy known as the Anaconda Plan.