D is the correct answer because the octopus was a challenge
The correct answer is money supply.
The money supply includes all monetary assets that are available in an economy at a specific time period. If the money supply drastically increases then inflation happens and if the money supply decreases then deflation happens. Both can cause horrors for the economy so the economists have to be careful.
Answer: I think it would be Tunica Tribe. I am not 100% sure though
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