We would need more information, are you sure this is all there is?
With the information that is given I believe that the answer is:
C. Constantly changing pieces of literature.
Answer: huntington
Explanation:In describing the American identity, Huntington first contests the notion that the country is, as often repeated, "a nation of immigrants". ... Huntington defines the American Creed as embodying the "principles of liberty, equality, individualism, representative government, and private property".
Answer:
If you are asking who created this then it would be John Harris
Explanation: