Multiple choice The Indus Valley Civilization flourished during? 3500-2500 B.C. 2500-1750 B.C. 1750-1 B.C. None of these Reveal answer Fill a bubble to check yourself B Correct answer Explanation The mature phase of the Indus Valley Civilization is widely accepted by historians and archaeologists to have occurred between 2500 and 1750 B.C.