Map of Ancient Mesopotamia Look at the map. Using what you have learned about Sumerian civilization, what can you infer about the advantages of Sumer's location? А Sumer was in the south; so Sumerian farmers enjoyed a longer growing season. B Access to rivers and the Persian Gulf, plus the invention of the sailboat, may have provided faster transportation routes for trading. on is granted to reproduce for classroom use. C с Because of its location, Sumer was protected from Asian enemies in the north and Arab enemies in the south. Limestone from the rivers was a rare resource that could be traded for wood. Is A, B, C or D?