Do you mean what class they are in of the class system?
You need to do an essay or something like that ? cause i really don't understand the question?
Answer: the states were not free to trade among themselves under the Articles
Explanation:
The Mogao Caves(also known as Mogao Grottoes or Dunhuang Cave) is the answer. This cave is a famous place for pilgrim and worship. According to the book written during the reign of the Tang Dynasty, a monk named Le Zun( Also known as Yuezun) had a vision of that very site. In his vision, he saw a thousand of Buddhes basking in the golden light. The caves were develop into shrines with the help of donors, funding the construction of the shrines. The shrine were elaborately painted, cave painting and architecture. They also had a library of inscriptions. Presently, Mogao cave is one of the tourist spots in China.