The answer would be a references page.
The American Dream- is a national ethos of the United States, the set of ideals (democracy, rights, liberty, opportunity and equality) in which freedom includes the opportunity for prosperity and success, as well as an upward social mobility for the family and children, achieved through hard work in a society
During is a preposition
that is a determiner
epidemic is a noun
early is an adjective
warnings is a noun
circulated is a verb
widely is an adverb.
A folktale because those always have stuff like that
To keep the paragraph sounding relevant to the topic and adding detail to the topic