B. The Wright brothers . . .
I would say b. precious stones Example of commodities that have been used as mediums of exchange include gold, silver, copper, salt, peppercorns, tea, large stones (such as Rai stones), decorated belts, shells, alcohol, cigarettes, cannabis, candy, cocoa beans, cowries and barley.
The answer is: Congress was dependent on the states for it's money.
Answer: the answer to the first one is B. And the answer to the second one is true then false and the very last one is B.
Explanation: