Has paganism, christianity or Secular Humanism been a stabilizing social force for the West (The best)?

Id argue christianity is the best, with secular humanism a jointed close second, because secular humanism borrows from Christianity, and sometimes christian and secular cultural exchange leads to a better society. But Paganism, is the most double edged sword, can be destructive or enduring.

Has paganism, christianity or Secular Humanism been a stabilizing social force for the West (The best)?
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