Well, there's fluff in every discipline [1]Collin Atherton
tongue emoticon
But study of history is as complex and intricate a field as any
endeavor.
The "rules of the scientific method" are solely for coming with
physical systems. The study of history is not a physical system
and requires different kinds of criteria for evidence.
References
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1.
https://www.facebook.com/CathertonTTU?hc_location=ufi