Explanation:

Karnataka samrajyamu was the name used by the contemporaries to describe the Vijayanagara Empire and it is quite true with finding of the evidences of Empire in Karnataka at Hampi. Historians, however, use the term Vijayanagara Empire.
Learning: Markets in the Vijayanagara Empire were known for its spices, textiles and other precious stones.
Trade was a status symbol for cities in the empire and boasted of a wealthy population that was in need of highvalue exotic goods such as precious stones and jewellery.
The revenue that came from the trade was used for the development of the State.