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Answer:
Theory
Explanation:
A theory is an evidenced based explanation about how a natural world situation, event or phenomenon occurs / act the way it does. A theory could be backed by a mathematical formula. A good example of such theory is Einstein's Theory of Special Relativity which has the mathematical formula
E= mc2.
The Federalist Papers. Beginning on October 27, 1787 the Federalist Papers were first published in the New York press under the signature of "Publius". These papers are generally considered to be one of the most important contributions to political thought made in America.