Answer:
cuneiform script
The most famous achievement of the Sumerian civilization of Mesopotamia is the invention of the cuneiform script around 3400 BC
Explanation:
Is their a option for a hint
The missing word is "Puglia" - it's an Italian region in the south, the "heel" of the boot. It specifies in the production of food, which it can do very effetively due to the fertility of its ground.
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