Studying mermaids in Christian Literature, Barnum’s Feejee Mermaid attraction, the cultural influence of ‘The Little Mermaid,’ and Starbucks’ marketing tactics exemplifies the concept that marketing and Literature are one and the same. Christian allegories of mermaids resembled a physical embodiment of lust and temptation, while Barnum capitalized on the Feejee mermaid as a source of exotic entertainment. Similarly, ‘The Little Mermaid’ shaped social norms and values in young American girls, while Starbucks utilizes a mermaid as its brand image to symbolize indulgence and desire, all of which reflect the blurred line between marketing and Literature.

I think I kind of say the same thing twice but struggled to do it all in one sentence without it being a crazy run-on sentence, not sure if I should remove the first sentence or find a better way to combine it all.