Well, the problem is there wasn't just one ruler. there were many pharaohs that ruled ancient egypt throughout history. if you're talking about during a certain time period, maybe add that?
Pharaoh was the title given to the king in Ancient Egypt. For the ancient Egyptians the first pharaoh was Narmer, called Menes by Manetho, who ruled about 3050 BC. C. The last pharaoh was a woman: Cleopatra VII, of Hellenic descent, who reigned from the year 51 to 30 a. C.
C. Lumber. All of the above are non-renewable and take thousands of years to farm, Also lumber is very inexpensive because people can harvest lumber from forests.