How does maurya promote economic prosperity and wealth? ( answer in 4 bullet points )

The Mauryan economy was very developed for its time.
The existence of a stable centralized government and the unity of the sub-continent made by the emperor resulted in a fairly advanced trade.
     
 The Indian economy was a settled agricultural region. As it was the backbone of the economy, land revenue was the major source of income from the government. All lands were under regular assessments to determine their production capability.
In the field of agriculture, great advancements were made through a fairly advanced and planned technological systems and skills,  such as, the irrigation system was very important there. 

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