Counterfactuals: Westward Expansion and Ashley's 100

On this special, 100th episode of The History Guy Podcast, we head back to the 1800s and the beginning of America’s expansion into the Rocky Mountains by taking a look at Ashley’s 100, a group of trappers, mountain men, and explorers who ventured into the West, helping to define an era and open up the land for settlement. How might things be different if they didn’t?