Answer:
From the items she was buried with.
Explanation:
Other items buried with her showed she had a rich and elegant life of wine, food, books, makeup, lacquered dinnerware, and drinking vessels, which is key evidence to show her social stance. During that time, only people in the top class could use lacquered vessels rather than bronze.
Read more: http://www.digitaljournal.com/article/279374#ixzz6oGLZ649V
