The sixth century witnessed immense increase of agricultural production. The surplus produce could be traded to other kingdoms. This establishment of trade links enabled to foster better diplomatic relation. Firstly, kings benefitted from the cordial trading relations as it brought in wealth for the kingdom and establish peace with its neighbours too. Secondly, more production and trading also ensured more wealth in the hands of the people of the kingdom. Thus, the prosperity of the kingdom was an additional achievement of the ruler.