The adopted methodology Learn how each age, each has different thinking. It is the effect of it is why this form has occurred, then it has a beginning point, prosperity, lower point.
Applying that idea to learn the modern era with a different idea of it, is it reasonable to why this happened. It has started a prosperous low point.
Application of the principle, way of thinking, learn that each generation each time is different, it has the effect of it is that why this happens, then it is a start. The prosperous slump.