D. The accepted interpretations about past events can change greatly over time
Power balanced three ways among each branch. Judicial, Executive, and Legislative.
Upon the Roman emperor’s acceptance of Christianity, the religion’s status changed dramatically for the good, since it was the first time that a person in such a position of power had endorsed the religion.
The Wright brothers are most famous for the first successful manned flight. They are known to be inventors and aviation pioneers. They fly the world's first successful airplane. Their breakthrough invention was a three-axis control plane where the pilot can steer the plane effectively and maintain balance.