The materials that the people of Burkina Faso uses to make masks are leaves, plant fibers, porcupine quills and feathers. They were traditionally created for funeral ceremonies and to make natural spirits visible to the community and are thus open to communication.
Ex1) We can tell that the owner of this medieval artifact likes gold since most of it is made out of gold it seems. The reason the medieval warlord wants to put this artifact is probably because it could probably fit with their style? Or show the people that the one who wears this artifact is the boss.
Explanation: None, really. All I could think of to help "you".
Since you didn't include the picture i could be wrong but the most famous 'study of a woman's back' i know of is matisse.
The answer is false. Picasso created his own work but looked to older artwork for inspiration. hope this helps! :)