Which battle was important because it temporarily kept the union army out of Georgia after they had taken Chattanooga?

The Battle of Lookout Mountain, fought on November 24, 1863, was significant because it helped secure Union control over Chattanooga, Tennessee, and temporarily delayed the Union army's advance into Georgia. This battle was part of the larger Chattanooga Campaign and demonstrated the Union's strategic advantage in the region. It ultimately set the stage for subsequent Union operations in Georgia, including Sherman's famous Atlanta Campaign.