Take the following as truth: Ramses II did not build it from stone but had it hewn into the cliffs of the Nile valley at a spot that stands only 7 km (4 miles) from the Sudan border, in the ancient land of Nubia.
Then the following statement: "Stone would have been too expensive to ship into the Nile Valley.  " is true, false, or inconclusive?
Answer: Inconclusive