The Gadsden flag, providing a rattlesnake and the phrase "Don't Tread on Me

https://jaredxnsc037.focalledger.com/posts/flags-that-changed-history-the-stories-behind-famous-civil-war-banners

The Gadsden flag, proposing a rattlesnake and the phrase "Don't Tread on Me," used to be followed by means of some Confederate items as a symbol of resistance against perceived oppression.