Which factor is unique to the city-states of Mesopotamian civilizations? A. location along the Tigris and Euphrates rivers B. dry, arid weather C. evidence of monumental architecture D. remains of a settlement

Here is the right answer to your problem  (A.)

i believe that the correct answer is a canadian hero.

explanation: he is celebrated as a national hero in canada for successfully thwarting a united states takeover of canada during the war of 1812.