Title: Switzerland.
Question: How did the European Union rank Switzerland's economy?

Title: Greece.
Question: A stable Greece allowed it to have what?

Title: Nutrition.
Question: How long after the natives were cured did it take for people to figure out the reason that brown rice cured them?

Title: John von Neumann.
Question:
Under what approach does an axiom impede a set of all sets which do not belong to themselves?