The practice of writing on oracle bones assured the future would accurately be predicted the king would remain in power writing of the shang dynasty was protected priests were as important as the king

The answer is: The king would remain in power

Orcale bones were used by past people in China in order to 'foreseen the future' (such as the result of the war or the types of whether ).

These bones are actually often used to trick people into thinking that a certain king or nobles would be the one that bring prosperity to the people. This make the people become depended to the prophecy from the oracle bones and makes the king remain in power.

protected civil liberties and outlawed slavery in the new territories.

i would say b. or c.