Question

Zhou rulers claimed that they had won the Mandate of Heaven because they _____.

Answer 1

Zhou rulers claimed that they had won the Mandate of Heaven because the Shang had been bad rulers and had not fulfilled their duties as they should

Answer 2

First Zhou rulers believed that when someone overthrows a dynasty, the loser loses the dynasty and the winner is now in control. So when they overthrew the Shang, the Shang has lost china (dynasty) and the Zhous are now in control of the Dynasty.