What questions raised by ancient Greek philosophy were answered by Christianity? I have heard several Christian philosophers (Robert Koons, Dallas Willard, for example) say that Christianity emphatically answered a lot of questions posed by ancient Greek philosophy. For example, there is the case of the Logos, which according to Greek philosophy was that hypothetical principle which if honored would allow you to fulfill your true purpose. Christianity says that the Logos exists but is not a principle, but a person.

What other questions of the ancient Greeks were answered by Christianity?
I won't give you a list of these questions for I don't know them but I think it is very important to know that Greeks, in their search for truth, somehow realized there should be a God to worship (distinct from the gods they had created in their mythology) so at the time when the apostles came, they had been worshipping a so-called 'Agnostos Theos' (The Unknown/Anonymous God). And apparently, at least, the Christian truth that was preached by Paul was exactly what they had been waiting for!