The thins that govern artist's choice of size is the purpose and the intended location of the artworks.
If the purpose is to attract attention or creating a landmark, the artist could create a bigger Art Size. If the artist aim for elegance and simplicity, the size tend to be smaller
Caesar passed a number of reforms through the Senate including: -->Giving land to poor Romans
>Making sure military veterans had land after their service
<span><span>>A law against extortion, or threatening someone to get what you want</span></span>
Cave art could possibly be an answer
The colonies advertised the middle colonies in Europe to help attract more settlers. People that moved to the middle colonies to escape any type of religious persecutions.
They were all human and Aryans