The Paradigm Shift of Horse and Chariot

When we think about ancient Egypt or the ancient world, we imagined Ben, her and chariots. Was it a real paradigm shift, the domestication of the horse? All of a sudden those folks who had horses have a total comparative advantage over their neighbors. We see this pattern playing out all across the continent where folks caught on the edge of horse country didn't really mess up the ancient world. The Hixos invasion of Egypt toppling that old kingdom. Down in India, we had this sort of like Indo-Aryan charioteer invasion, the collapse of this in this valley civilization.