I believe it's C. If not, B. But I'm pretty sure its C. B doesn't sound right even though it holds some accuracy
Answer: The answer is D) Increased settlement of frontier land
Explanation: I got it correct.
TRUE - Sumer planted wheat, as well as chickpeas, barley, onions, garlic, leeks, mustard, dates, lentils and lettuce. They were also fishing and hunting gazelles and fowls. Moreover, their agriculture depended mainly on irrigation through canals, reservoirs, dykes, weirs and shadoofs. It all led to a regular surplus of food, what allowed Sumers to develop in a level which had not ever been seen before in any other culture.
