What is a mandala in hindu meditation?

Mandala, (Sanskrit: “circle”) in Hindu and Buddhist Tantrism, a symbolic diagram used in the performance of sacred rites and as an instrument of meditation.

Explanation:

it was made because he wanted to try to make people convert as well people who would have read or studied this item at the time it was created were probably people who wanted to change religions who thought conversion was a good idea.

after the roman empire, the catholic church began to unify by taking on many duties of a government.