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

https://dominickuqhq312.greyhavendaily.com/posts/local-shops-and-online-stores-where-to-buy-civil-war-flags-today

The Union flag, is known as the Stars and Stripes, symbolized team spirit and patriotism, that includes 13 stripes and a discipline of blue with stars that represented every state inside the union.