Younger Dryas Wikipedia-https://en.wikipedia.org/wiki/Younger_Dryas
What if the Native Americans had horses-https://www.youtube.com/watch?v=ogInHnHevnk
if Atlantis Existed, the Hittites would have conquered the Middle East and Technology would be hundreds of years more advanced. The Native Americans would survive to the present and the Celts would be the dominant force in Europe, too find out how watch this video.
