Answer:
the government
Explanation:
It was very dry and flat. In 1862, the Homestead Act was passed. The government helped people to settle on the Great Plains. The government sold adults 160 acres of land for a small amount of money.
In the ancient Sumerian society, the priests were so influential because people thought that they were the representatives of God. People beleived in God but they could not see them. The priests took advantage of the fear of god among people to become very influential in the Sumerian society. The common people were of the opinion that the Gods used to speak to them through the help of these priests. The priests were so powerful during those times that they even became rulers of certain city-states. Actually they were taking advantage of the beliefs of the common people.
<span />
The caste system was the dominant social system of "India," since it had pre-modern roots in this area and helped build a system of social stratification, which was altered by British rule.
Id say your best bet is A because Washington established the cabinet which aids presidents in running the country. It cannot be B, C or D because congressional oversight was already established by the constitution, there were only a couple departments, and the constitution already defined its purpose.