Respuesta :
The Barter systems are a specific system of trade because they do not involve any currency. Therefore, Option B is correct.
What are Barter systems?
Bartering is a method of exchange in trade when parties to a transaction directly swap one good or service for another without utilizing a means of exchange like money.
Barter is a transaction in which two or more parties exchange products or services without exchanging cash or other forms of payment like credit cards.
Therefore, The Barter systems are a specific system of trade because they do not involve any currency. Option B is correct.
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