Answer:
C. Providing people with access to exotic foods
Step-by-step explanation:
A. It COULD be A, as trading requires more money to do so, meaning commodities might rise. However, a good market might not need to raise prices.
B. It likely isn't B because restricting it defeats the whole purpose of trading it.
C. It could very well be C as international trading means receiving different (and exotic) foods from around the world
D. It would be the opposite of this, as international trading means you'd want to encourage them to grow more produce
I hope I helped, please let me know how I did! :)