Why did the Founding Fathers establish the concept of Checks and Balances?

Previous political thinkers, citing British experience, had talked about checks and balances with a monarch in the mix, but Madison helped apply the principle to a republic. Contrary to such respected thinkers as Baron de Montesquieu, Madison insisted checks and balances could help protect liberty in a large republic.

frederick william of brandenburg-prussia trained his son, frederick, to be a hardy soldier. but frederick disliked rifle shooting and horseback riding. unlike his father, he was interested in french literature. he enjoyed poetry and music and, like some others of the enlightenment, he scoffed at religion. his father thought him soft, frivolous and unmindful of his duties. and when frederick refused to put his signature on a right to succession, for a few moments his father strangled him.

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