Why did the Celts Collapse?

Why did the Celts Collapse? The Celts were a people of mysticism, tenacity, and rich culture. Though they lacked a written language for some time, making it hard to document their lives and civilizations for future generations, we have managed to learn a fair amount about these fascinating people. How they rose to power, how they existed, and even, where they are now… ♦Consider supporting the Channel of Patreon and gain cool stuff: https://www.patreon.com/Knowledgia ♦Please consider to SUBSCRIBE: https://goo.gl/YJNqek ♦Music by Epidemic Sound ♦Sources : https://www.historyextra.com/period/iron-age/celts-britain-romans-who-were-they-human-sacrifice/ https://gov.wales/welsh-language-data-annual-population-survey-2020 ♦Script & Research : Skylar Gordon #History #Documentary #Celts