No matter where you are on Earth, we need to have the money because money is used to buy or Exchange, whether it is food, as well as the living, it is necessary to use the money.
No matter where we are on Earth, we need to have money because today money is used to purchase or exchange, be it food, including subsistence, it needed the money.
Wherever we are on earth, we need to have the money because money is what the current used to buy or exchange, such as food, including living need money?