My guess would be A, but I'm not 100% sure so you should probs check that.
The answer to your question is A bit there is a possibility it is D
Answer:
The Neolithic Revolution had a big impact on humans. It also allowed humans to develop a system of irrigation, a calendar, plows, and metal tools. As a result of this, permanent settlements were established, creating the setup for civilization and society.
Oil, Oil played a massive role in the urbanization of Texas bringing riches to many.