Explanation: They weren't chosen by gods- however, Divine right of kings, in European history, a political doctrine in defense of monarchical absolutism, which asserted that kings derived their authority from God and could not therefore be held accountable for their actions by any earthly authority such as a parliament.
Their power was derived from God (as in the God Christians worship)
A mandala was a hanging scroll used for teaching about deities. The idea was brought to Japan from China by master Kukai from 775 to 835 BCE. Mandalas portrayed the deities in schematic order.