I believe Switzerland because at the time they remained neutral, and most of the countries leaders had bank accounts there. Hope this helped!
Thanks!
~Steve
Probably Buddhism. Buddhism isn't Chinese, but it was probably brought over by Chinese-Buddhist missionaries.
If not that, then probably the Chinese writing system. The Japanese adapted the language and used it in their everyday writing.
Hope that helped :)
Philip put himself as a hostage for the Greeks. As a hostage, he could observe their military power and their techniques.