Question

what is main. Barter system and eco and savage and quadra kill​

Answer 1

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Bartering is based on a simple concept: Two individuals negotiate to determine the relative value of their goods and services and offer them to one another in an even exchange. It is the oldest form of commerce, datíng back to a time before hard currency even existed.

Example of barter system.

Barter is an alternative method of trading where goods and services are exchanged directly for one another without using money as an íntermediary. For ínstance, a farmer may exchange a bushel of wheat for a pair of shoes from a shoemaker.

Answer 2

Answer:

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★Money allows people to trade goods and services indirectly, it helps communicate the price of goods (prices written in dollar and cents correspond to a numerical amount in your possession, i.e. in your pocket, purse, or wallet), and it provides individuals with a way to store their wealth in the long-term.