In an effort to protect themselves, all of the kingdoms of Sumer built __________ outside their cities. A. large moats B. deep trenches C. massive walls D. watch towers - QAmmunity.org

In an effort to protect themselves, all of the kingdoms of Sumer built __________ outside their cities. A. large moats B. deep trenches C. massive walls D. watch towers

asked Apr 27, 2021 27.2k views

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