Why are other civilizations ignored in the Bible?

[Chad32]

Why was there only one Jesus? If Yahweh was trying to save the whole planet, why only send down one guy? Why did he only beget one son, thousands of years after Humans have been around, to teach in some backwater hole instead of the great schools of the more advanced civilizations?

Christianity spread through the Roman empire like a wild fire and was the dominate religion before the Roman empire fell, how's that for getting the message out.

GC

That was a good first step, but there was still the vast majority of the world, including those with older religions and mythologies.