How Did The Provinces Affect The Roman Economy

Discuss how the provinces affected the general Roman economy.
An empire with the extent of Rome could have not been successful if it had not been for the great discipline in organizing her provinces.
The power of roman economy based on farming and trade. Both two factors were interconnected with business of the provinces. Roman empire enjoyed a great free internal market around the meditation sea, where most of her provinces located. This hub of business had a center which was the great city of Rome. The overcrowded, super populated city of Rome with spectacular and luxurious way of life, was in need of economic assistance of all provinces to survive.
The most important of necessary commodities were the agriculture goods and the most important