GMAT Reading Comprehension (RC) | Two modes of argumentation have been used on behalf of

This is a nice passage. Please add timers, I like being able to assess difficulty of the questions.

Interesting thing I noted: Q86 and Q87 are huge timewasters as they do not provide anything to direct where in the paragraph you should look for an answer. Some answers are quite close. It might be good idea to skip this kind of question if you feel lost and don't know immediately where to look.

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