Some people believe that are messages that can be sent to consumers, prompting them to buy a product without their being aware of receiving such messages

subliminal stimuli  or subliminal messages

Explanation:

Subliminal stimuli are stimuli that affect sensors below the conscious perception of the person. The idea is that sending these kinds of stimuli or messages can support a person's subconscious perception and thoughts, and affect a person's conscious decision making in that way.

This idea has been used vastly for marketing purposes and its persuasive use, with the idea that a person that is subject to subliminal stimuli will consciously end up consuming the product displayed before them.

However, scientific researches haven't yet surely confirmed the effectiveness of this method behind the placebo effect.

i dont know but thats a great qusestion

the factors that the economies of the muslim empires prosper were:

1- land trade routes-located between three continents  

2- sea trade routes

trade contributed to the spread of muslim empires, and with that islamic culture led to a growing feeling of internationalism resulted in the transfer of technology, science, and other cultural forms.