Silk, food, things like that. also spices
A. He was killed by an assassin
primary: yahooansers.com secondary: answers.com
Well they could be spread through cultural diffusion. Trade brought different groups of people together causing the cultural diffusion and the advances in technology caused trade.
Answer: Public goods are not supplied by private sector producers because they are not likely to make an economic profit. So, the answer is C.
Explanation:
