Telling the tale of the collapse of the Roman Empire is a challenge even in a full length book. Presenting one slice of the story in an easily read and understood infographic is even more of a challenge.
The Money Project is a blog run by Visual Capitalist which focuses on illustrating complex ideas. Their infographic Currency and the Collapse of the Roman Empire does a great job of describing how debasement of the currency and the resulting inflation made trade more difficult which in turn contributed to the collapse.
Oh, used with permission of Visual Capitalist.
A great story with many lessons to be learned for anyone willing to think for a while: