Answer:
Throughout my experience, I have always been clear that membership in such an organization entailed a number of advantages. But it is true that the success of these associations is based on the fact that many of their members contribute to the common good. The contribution of its members is, without a doubt, what enriches it the most. They can be enumerated in: economic advantages, advantages of personal development, advantages of professionalizing the work of each of its members
Explanation:
The dashes serve:
1) To show emphasis on certain words within the dashes (such as Thunder)
2) The dashes also show a list, as it gives each phrases inside the list without placing them in vertical tables.
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