How can p. j best revise his conclusion to call his readers to action

In conclusion, I would recommend not passing any extra questions (so the reader can have a sense of closure). Also, I think the sentence “it is helpful if you already speak a foreign language.” Should be removed because it puts a limitation on the reader and makes them feel like they have an intimidating obligation. I would suggest something along the lines of:

Volunteering overseas is a unique and positive way to explore the world. The cost is often reasonable and the benefits obtained far outweigh the negatives. One can travel to magnificent new places and be able to make a difference where it is really needed. It cannot be recommended enough to engage in there wonderful opportunities as they are truly life-changing in their impact.