400
Around 1027 B.C., a people called the Zhou overthrew the Shang and established their own dynasty. To justify their conquest, the Zhou leaders declared that the final Shang king had been such a poor ruler that the gods had taken away the Shang’s rule and given it to the Zhou. This justification developed over time into a broader view that royal authority came from heaven. A just ruler had divine approval, known as the ______________.
What is Mandate of Heaven