In ancient Mesoamerica, cotton was used as a commodity currency. By using specific goods like cotton as common units of exchange, commodity currency economies streamline trade, which is why they often replaced barter economies. Barter economies eschew __________ that requires what economist W.S. Jevons deems a “double coincidence of wants”—in other words, each trading party must want precisely what the other has.
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Verbal·Standard English Conventions·Boundaries
hardWhich choice completes the text so that it conforms to the conventions of Standard English?
A
currency in favor of a direct trade system
B
currency, in favor of a direct trade system,
C
currency, in favor of a direct trade system
D
currency—in favor of a direct trade system