The Union flag, called the Stars and Stripes, symbolized harmony and patriotism

https://jasperdqac257.halcyonledger.com/posts/flags-of-the-union-and-confederacy-a-comparative-study-2

The Union flag, which is called the Stars and Stripes, symbolized unity and patriotism, featuring 13 stripes and a area of blue with stars that represented every single kingdom inside the union.