Answer:
The significance of the Battle of Palmito Rancho was that it was the final battle of the Civil War.
Step-by-step explanation:
The Battle of Palmito Ranch took place on May 12 and 13, 1865 during the Civil War, near Brownsville, Texas. It opposed the armies of the Union commanded by Lt. Col. David Branson to Confederate forces under the leadership of Major John "Rip" Ford. It was the last battle of the Civil War, in which the last Union soldier, John J. Williams, was killed in action.