How Did We End Up Living the Way We Live?

There's an assumption that for most of our time on earth, it's been groups of similar people sitting around and when some oe else turned up, they attack evers. I just took it as fact because it just seemed so true. But what i really became interested in was a simple question, right? If our fault is to kill everybody, we don't know, how did we ever end up living way we live? And then he spent years researching this question, and he just wrote the answer. It comes in the form of a completely fascinating book called the power of strangers,. He learned that everything we think we know about strangers is actually wrong.