The Union flag, known as the Stars and Stripes, symbolized unity and patriotism

https://jasperdqac257.halcyonledger.com/posts/the-evolution-of-civil-war-flags-designs-and-meanings

The Union flag, referred to as the Stars and Stripes, symbolized harmony and patriotism, featuring thirteen stripes and a field of blue with stars that represented each and every state inside the union.