The answer is A: 6th century BC. The Vedas are extremely old Indian, Hindu based scriptures. In fact, other scriptures including the Veda's may predate the dates given to them by modern historians.
Answer:
Its D. May be punished if they speak out against their governments. Hope it helped
Since Adam Smith was an ecologist I would go with #1.
Government should interfere as little as possible in the economy.