What was the name for the belief that each man, not god, controlled his own destiny?

a-manifest destiny
b-social reform
c-great awakening
d-self-determination

in 550 b.c.e. cyrus the great, the leader of the persians, conquered the medes and united the iranian people under one ruler for the first time. cyrus became the first king of the persian empire and went on to establish one of the largest empires in world.