Who makes up most of the work force in the food service industry

First to answer will be the brainliest i need the answer asap

In an article about americans working in middle eastern countries, cicy, a white journalist, is described as knowing that she should cover her hair when she leaves her house. according to this article, cicy:

Look at this painting by leonardo da vinci. this painting demonstrates da vinci's use of which of these to enhance the emotion of a painting