The Union flag, is named the Stars and Stripes, symbolized team spirit and patriotism

https://dominickuqhq312.greyhavendaily.com/posts/from-cotton-to-canvas-the-materials-behind-civil-war-flags-2

The Union flag, is known as the Stars and Stripes, symbolized team spirit and patriotism, that includes thirteen stripes and a subject of blue with stars that represented every single nation inside the union.