What if horses never vanished from the New World?
What if the Native Americans were very familiar with horses and the use of them at the time that Europeans arrived?
(Here's an interesting article on the hunting of New World horses in prehistoric times as a possible cause of extinction. Suppose this had not happened, and instead they were domesticated?)
http://news.nationalgeographic.com/news/2001/05/0511_ancienthorses.html
What if the Native Americans were very familiar with horses and the use of them at the time that Europeans arrived?
(Here's an interesting article on the hunting of New World horses in prehistoric times as a possible cause of extinction. Suppose this had not happened, and instead they were domesticated?)
http://news.nationalgeographic.com/news/2001/05/0511_ancienthorses.html