by the oldest symbols called cave paintings formed by rock art
Answer: The answer is policy advisers.
Explanation:
When economist are trying to help improve the world, they are policy advisers.
The answer is: [E]: "case study" .
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Global Economy is important because countries around the world look for support from each other. For example, the foods that are imported from other countries come to the USA and of course we pay for it in the markets.