3rd+cent.+economic+crisis

Coinage was failing, overcirculated, debased, distrust in Roman coinage. People started hoarding money, less trade.

Legions were not moving forward as much = less war spoils and less fuel for the economy.

Military usurpation led to political instability (mainly under Valerian, Decius, Philip). Aurelius helped make things better.

Beginning of the decline of Rome. Parthian empire had reorganized and was attacking form the east. (Valerian was captured by Sassanid Empire.)