When general sherman's troops cut a swath of destruction and pillage through georgia?

The event described in your question is known as Sherman's March to the Sea. This military campaign that took place in November and December of 1864 was one that helped the Union claim victory in the Civil War. Sherman's troops marched through the state of Georgia, destroying everything in their paths. This included farms, food, and railroad tracks. The goal was to destroy Confederate supplies and their means of transportation.