Administrative Division -

Early empires discovered that ruling a massive land from a single capital was a "logistical nightmare".

: Initially, the Roman Empire was surprisingly lean, outsourcing tax collection to private corporations and leaving the actual mechanics of governance to self-governing municipalities. However, as the empire grew too vast for one man, Emperor Diocletian established the tetrarchy in 284 AD, dividing the empire into Eastern and Western halves to improve efficiency and defense. administrative division

Today, administrative divisions are organized into nested hierarchies that vary by country: Early empires discovered that ruling a massive land