http://classic.7sage.com/lsat_explanations/lsat-57-section-3-question-12/
I got confused by A because if you negate it, the argument falls apart. If you negate A and assume people obey commands even without mechanisms to compel obedience, then you can no longer assume that international law is ineffective just because there is no police force.
wait, is it because international law would guide nation states, not people?
I definitely like E, but thought A was the absolute necessary choice when compared to E, after a negating test.
Thanks in advance for the help!
If you assume ac A though, doesn't that directly deny the conclusion? The conclusion is that high tendency + low laughter→ greater gains in ISS. But if you assume A, then you're denying the low laughter part, because A says if you have high tendency, you'll laugh more. In other words, you're denying high tendency + low laughter. And you can't just deny this the sufficient assumption given by the problem, right?