Final answer:
The expressive theory is a good principle to use when trying to better understand a new artwork with little information about the artist and the culture it came from.
Step-by-step explanation:
The statement presented in the question is true. When a new artwork is discovered and there is little information available about the artist and the culture it came from, the expressive theory is a good principle to use in order to better understand the work. The expressive theory focuses on the artist's personal emotions, experiences, and intentions behind the artwork, allowing us to interpret and analyze it based on those factors.