Because it is a more efficient means of exchange than bartering.
Bartering
bartering
This is known as bartering.
Bartering
Money was easier to carry and handle than goods. Money was accepted anywhere and could be used again. It was difficult to exchange the exact value of goods in barter.
This is called the barter system.
Money was first introduced in bartering economies as a store of value, but its introduction quickly ended the practice of bartering since the benefit of having a fungible item used as a marker of value became obvious quickly.
Because there is such a thing as greed.AnswerMoney is a transferable method of bartering. You could offer a service or an item in return for the same, but money is easier to manage.
Bartering involves trading goods and services without the use of money. The politician had been bartering favors for information during most of his career.
Bartering
Bartering is the exchange of goods or services for other goods or services, without money. E.g. I will cut your hair if you give me two books. Since bartering is exclusive to the use of money, there is no such thing as "barter money".
Money has been in use since ancient China and bartering hasn’t been replaced. People still barter for things and help. Money could be carried around and used anywhere compared to having to make a deal with another person. For thousands of years trade has been going on between nations and people.