Flags were oftentimes used as rallying facets during battles; troopers could accumulate around their shades for morale

https://archereiuj636.clarionvale.com/posts/flags-of-the-union-and-confederacy-a-comparative-study-2

Flags were regularly used as rallying elements all through battles; infantrymen may gather round their colours for morale aid whilst confronted with overwhelming odds.