In order for a voluntary exchange to take place, O the buyer has to feel that he or she will be better off after the transaction than before.
O the seller has to feel that he or she will be better off after the transaction than before.
O both parties must feel that the money or goods they receive is worth more to them than the money or goods they give up.

both parties must feel that the money or goods they receive is worth more to them than the money or goods they give up.

Explanation:

well the fact it is basically a peninsula allowed trade to come from many places, thus allowing cultural diffusion to take place. india has seasonal monsoons that merchants travel back and forth from india using the monsoons wind patterns