Answer:
It is an accessible form of propaganda and communication.
Explanation:
Many different religions use art to spread their belief. Places of worship are decorated both internally and externally with images and iconography of religious elements, to connect people with the divine, and encourage/remind them of the faithful path. It is also a sort of propaganda, an easy way of communicating the complex ideas that are faith and belief. Some of the religions that chose this approach are Christianity, Buddhism, and Hinduism.
As in a collaboration you are able to gain views of more than one person. Hence giving you a better outlook on your project.
They used red sand sometimes and in the late Egyptian times they developed a sort of paint.
