I wanted to do a run up to the data I was going to present but I saw that the post I was writing was going off the rails into a different subject altogether, cultures and civilizations. Since I am cannot think of a good way to introduce the topic of this post, I will ask you pardon as I do a simple information dump.
Without further ado, here are some cities in the United States and their murder rates. You will notice that there are a wide gulf. Some cities, like Spokane, are almost on par with Europe while others, like Detroit, might as well be in the third world.
Why is that? I have my own ideas but, save for an observation that this might indicate regional decay, I will save my thoughts on this matter for a different time.