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When researching the topic, look for the term "Dark Triad" or the individual personality clusters of narcissism, psychopathy, and Machiavellianism.
You can find the text to The Prince by Machiavelli at this link: https://www.gutenberg.org/files/1232/1232-h/1232-h.htm
The Dirty Dozen Scale https://statistics.suttong.com/2018/10/dark-triad-scale-dirty-dozen.html
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