B. A reduction in imports and a rise in exports
They enjoyed activities and entertainment such as movies, dancing, listening to the radio and to the sounds of Swing bands.
The role the royal mummies played in the building of the Incan empire was that they helped to preserve their culture of ancestor and emperor preservation and worship.
<h3>What is Mummification?</h3>
This refers to the process of preserving a dead body to keep it fresh and this was used by both the Egyptians and the Incans to preserve and honor important people.
Hence, we can see that the roles they played were that they helped to preserve their culture and also to preserve and worship the dead and keep their bodies as alive as possible.
Read more about mummification here:
brainly.com/question/1750866
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