The history of humankind has been m

The history of humankind has been marked by patterns of growth anddecline. Some declines have been gradual, occurring over centuries.Others have been rapid, occurring over the course of a few years. War,drought, natural disaster, disease, overpopulation, economic disruption:any of these or a combination of these events can bring about thecollapse of a civilization. Internal causes (such as political struggles oroverfarming) can combine with external causes (such as war or naturaldisaster) to bring about a collapse. What does this mean for moderncivilizations? What can we learn from the past?

The history of humankind has been marked by patterns of growth and
decline. Some declines have, been gradual occurring. Over centuries.
Others have been rapid occurring over, the course of a few years. War
drought, natural disaster disease,,,, Overpopulation economic, disruption:
any of these or a combination of these events can bring about the
collapse of a civilization.Internal causes (such as political struggles or
overfarming) can combine with external causes (such as war or natural
disaster). To bring about a collapse. What does this mean for modern
civilizations? What can we learn from the past?