Pledging allegiance to the flag is a product of late 19th century sentiments that tie back to the US Civil War. This article has some backstory: https://www.bo

Pledging allegiance to the flag is a product of late 19th century sentiments that tie back to the US Civil War. This article has some backstory: https://www.bostonreview.net/articles/jack-david-eller-pledge-allegiance/ https://www.bostonreview.net/articles/jack-david-eller-pledg...