No but they flourished post Horse. The horse was like a technology that enabled the Indians to expand and flourish in the plains. https://www.history.com/news/

No but they flourished post Horse. The horse was like a technology that enabled the Indians to expand and flourish in the plains. https://www.history.com/news/horses-plains-indians-native-americans https://www.history.com/news/horses-plains-indians-native-am...