Answer:
The Thirteenth, Fourteenth, and Fifteenth Amendments to the United States Constitution constituted the largest expansion of civil rights in the history of the United States.
Explanation:
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Funding it themselves or selling out to corporate America are the only ways to really pay for a campaign today which means politians care alot about doing what corporations want
"Singular" is is pretty much the same as "one", they both mean a lone object.