No he did not. He preferred drawing life-like objects free handed.
Could be pottery if the vase is clay. could be florist due to the plants inside. could even be abstract. I believe this is more of an open ended question
I am going to answer with the 7 principles instead. balance, contrast, emphasis, movement, pattern, rhythm, and unity/variety.Hope this helps:)
Answer:
The struggles of common people are the most powerful artistic subjects.
Explanation: