What was the most significant benefit to the union of the siege at vicksburg?

As a result of the siege at Vicksburg, Texas, Arkansas and Louisiana were isolated from the rest of the Confederation and the loss also meant for the Confederation the loss of livestock and agricultural resources of the first two. Additionally, the victory in Vicksburg and the victory in Gettysburg the previous day marked the beginning of the end of the Civil War, while Grant with his victory increased his fame, which later made him commander in chief of the Union troops during that contest.

i'm free to do it

explanation:

sam houston basically made tx he fought for anrew lead troops in the battle of san jacinto and then became president and james polk