The interpretation of Moctezuma's understanding of human sacrifices is that the gods would punish them if they're not performing enough human sacrifices. He got this understanding when he visited the aztec as an arkeolog in the past
Promotion could have multiple meanings.
For example, if you say "Mr. Knight got promoted (or got a promotion) from supervisor to manager". There promotion means "raise".
If a product is at promotion there promotion means advertising efforts.
It could also refer to a way to support a cause. For example: There's a campaing supporting healthy lifestyle promotion.
The French kings did not abolish French nobility.
The circular flow model is one example or the best model demonstration of explaining or show the model of producers and consumers in how they influence one another using the system of free market. This simplifies and shows the process of how consumers and producers affect one another.
Hope this helps have a great day :)
