Answer:
It's: The Empirical approach and relies on the observation and experimentation
Your answer: education
Education would be very important, especially back in the day as many people back then really needed this kind of service, to make sure that they have had the knowledge to understand many other things quite well as other's would also. As for the other options, we can see that these would be things that would be pleasing, but they would not be the important as edu would actually be. Education would be the (best) example.
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