Final answer:
The Roman Empire collected taxes to fund public works and government programs, as well as to maintain a large military. Inflation can occur when money becomes worthless. The Roman Empire relied on taxation as a means to sustain its economic system.
Step-by-step explanation:
The Roman Empire needed to collect taxes to fund public works and government programs, and also to maintain a large military. The military was a problem for the Roman Empire because it drained resources and required constant funding. However, the empire did not get rid of the military at the borders because it needed to prevent invasions and maintain its dominance.
When money becomes worthless, it is called inflation. This could happen if there is an excessive amount of money in circulation or if there is a decrease in the value of the currency. Inflation can lead to economic instability.
The Roman Empire relied on taxation to sustain its economic system. Taxes were collected from various sources such as land, individuals, and trade. The primary purpose of collecting taxes was to fund public works and government programs for the benefit of the citizens.