I believe the answer is to “Create a sense of unity due the limited use of contrast.” I’m super sorry if I’m incorrect
It is the "Head of Akkadian Ruler".
Ah i remember this one from back then
Answer is Granary
A term commonly used for the first or the key tone of any scale
Answer:
red, yellow, black, brown, and violet. No brushes have been found, so in all probability the broad black outlines were applied using mats of moss or hair, or even with chunks of raw color.