Text: Wadi Natrun was one of the most important areas of Egypt in ancient times, primarily because it was the main source of the mineral natron used in the mummification and glassmaking processes.
Entailment: The resources used in the glassmaking and mummification processes were often extracted from Wadi Natrun.
Contradiction: An unimportant settlement, Wadi Natrun had few resources to offer Egypt in the ancient era.