Describe the concept of separation of powers and explain why the founding fathers included this concept within the framework of the Constitution

Describe the concept of separation of powers and explain why the founding fathers included this concept within the framework of the Constitution

Please cite Chapter 2 of the book and provide examples from the book as support in APA format. I uploaded the book below. ” The main reason for power separation is the quality of human is to act aggressively in their self-interest.” please include this argument in your essay and explain more and provide examples from the book.