Civil War flags served as fundamental symbols for the two the Union and Confederate forces

https://jaidenbnki358.clearhavendigest.com/posts/the-many-faces-of-civil-war-flags-an-overview-of-types-and-designs-3

Civil War flags served as a must-have symbols for both the Union and Confederate forces, representing their precise identities and values for the period of the tumultuous era of American heritage.