Toolmaking is probably what gave hominids the most power over the environment for with tools they were able to manipulate more things at their will. Fishing, chopping, construction, destruction, and more for instance, would have been significantly harder to do without some type of tool.
Hi, Im sorry if this is wrong because im struggling on the question too on the unit test but I beileve its D.-Trade interactions led to societal changes that weakened Chinese culture.