The idea of the Mandate of Heaven was:

Question

A. introduced in the Bhaghavadgita.

B. borrowed from Tibetan nomads in the fifth century B.C.E.

C. introduced by the Zhou dynasty and it served to legitimize its power.

D. contained in the Rites of Mao.

Answer 1

http://www.google.com/#q=Mandate+of+Heaven