I think 10 is the right answer
Their work was inspired by deep spiritual beliefs and the art seemed to be a universal language. There is a deep connection to the land and this is reflected in the traditional Creation stories that inspire much of the art. It was visually stunning and emotionally engaging.
Https://www.ncpedia.org/wwi-medicine-battlefield
The correct answer is A. Salt mines in the Sahara desert
Salt was extremely important at that time and was even used as currency often because it was expensive.
