The answer is D. He placed family members in charge of regions.
The land of Zhou was a vassal state of the Shang Dynasty. A powerful leader of the Zhou named Wen Wang began to plan to overthrow the Shang Dynasty. The Zhou Dynasty was divided up into the Western Zhou and Eastern Zhou periods. It extended its power over the eastern plain by granting authority to members of the royal family and in some cases to favored adherents, that established walled forts supported by garrison troops among the original habitants of the east.
The Enlightenment thinkers changed peoples' beliefs of how government should work by talking of separation of powers and checks and balances.
Through the use of naval power
The Hull House was a settlement house for recently arrived European immigrants. It gave them a place to live but also provided children services like kindergarten and day care for immigrant children.