320. These characters are used to represent countries. Do you know which ones? 墨 日 加 独 豪

Answer:

墨  BOKU, sumi - ink, 

日  NICHI, JITSU, hi, ka - sun, day

加  KA, kuwa(eru), kuwa(waru) - add, append, join, take part

独  I - medicine, healing

豪  GOU - strength, power, splendour

Some have connections to their meaning, but most are phonetic.

墨  墨西哥 - Mexico

日  日本 - Japan

加  加奈陀 - Canada

独  独逸 - Germany

豪  濠太剌利 - Australia