The Gadsden flag, offering a rattlesnake and the word "Don't Tread on Me

https://codyviqa225.northcrestbrief.com/posts/reenactor-spotlight-interviewing-those-who-love-their-civil-war-flags-2

The Gadsden flag, that includes a rattlesnake and the phrase "Don't Tread on Me," changed into adopted by means of a few Confederate units as a symbol of resistance opposed to perceived oppression.