What Would You Say Were The Main Factors That Led Both To Caesar’s Rise And His Ultimate Demise?

From reading the ancient Roman writer Plutarch’s Life of Julius Caesar, what would you say were the main factors that led both to Caesar’s rise and his ultimate demise? Life of Julius Caesar by Plutarch: http://penelope.uchicago.edu/Thayer/E/Roman/Texts/Plutarch/Lives/Caesar*.html 

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