The Mass "proper" was liturgical music in which the text changed depending on the calendar or occasion, since most of the mass was unchanging and therefore consistently recognizable. <span />
It seems that you have missed the given choices of the question above; but anyway, the correct answer for this question would be CENTRALIZED GOVERNMENT. The best option that describes the influence of Tang China on the newly emerging Nara state in Japan is the centralized government.
The President is both the head of state and head of government of the United States of America, as well as Commander-in-Chief of the armed forces. Under Article II of the Constitution, the President is responsible for the execution and enforcement of laws created by Congress.