Introduction of ___________ removed difficulties of barter system.
Barter system of exchange had many difficulties like lack of double coincidence of wants, lack of a common unit of value, difficulty of future payments or contractual payments and difficulty of storage of value and transfer of value.
Introduction of money which refers to a common medium of exchange that is issued under the law of government and acts as a legal tender for the whole country removed the difficulties of barter system through its various following functions:
1. Common medium of exchange
2. Store of value
3. Common measure unit
4. Serve as the standard of deferred payments