Flags had been no longer in simple terms used in battle but also served ceremonial purposes, marking principal hobbies comparable to parades

https://kylervbbv051.readspirex.com/posts/from-cotton-to-canvas-the-materials-behind-civil-war-flags-3

Flags have been no longer simply used in fight but also served ceremonial reasons, marking critical parties together with parades, memorials, and military ceremonies in the course of the Civil War generation.