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

https://jaredxnsc037.focalledger.com/posts/the-evolution-of-civil-war-flags-designs-and-meanings

The Gadsden flag, providing a rattlesnake and the phrase "Don't Tread on Me," become followed via a few Confederate sets as a image of resistance against perceived oppression.