I think it's b himalayas. Hope this helps
Answer:
Pax Romana which is Latin for "Roman Peace" was a time, as the name suggests, a long period of peace and minimal military expansion from 27 BC to about 180 AD. Pax Romana was succesful because all of the land surrounding the Mediterranean was at peace because everyone was under Roman Law.
Explanation:
The 200 years of the Pax Romana saw many advances and accomplishments, particularly in engineering and the arts. To help maintain their sprawling empire, the Romans built an extensive system of roads. These durable road facilitated the movement of troops and communication.
Answer:
Coal
Explanation:
The main resource used to produce energy during the Industrial Revolution was coal. The early uses of wind, water and wood for energy were replaced by coal, which could produce high levels of heat, power machines that were much more efficient and replace slow, manual labor.