Learning to write/memorize it
Answer: D is right. But there are also many other reasons.
Explanation: League of Nations was formed by Allied powers (from the WW I) so consequently it was viewed as "League of Victors". Moreover USA did not join, may other states did not join and later on League of Nations was unable the prevent outbreak of WW II.
Answer:Hinduism
Explanation: They are the holy books of Hindu
If you are talking about ancient Greece they didn't really have states it was more of little countries in a country but i guess Athens or Sparta if you're talking about now well then buddy i don't know. SORRY i hoped some what. Wait i think Crete is one but i don't know