please help

i have questions

i study dracula as a subject at the university and these questions i didn't know its answer

1- discuss the author's decision to recount the story of Dracula through journal entries, letters, newspaper clippings, and other "records." what are the strenghs and drawbacks of this approuch? why is this a better approuch or not?

2-discuss the significance that many of the male protagonists are doctors)Dr. Seward) or men of science(Dr. Van helsing). why is this important to the story?

3- while at first Renfield seems extraneous to the plot, how does he ultimately serve a definite function?

4- discuss the importance of having the vampire be a member of the aristocracy and prey upon refined young ladies rather than 'ladies of the street'

5-discuss the implication that Dracula is merely and evil presence rather than a real character.

6-discuss Dracula in relation to modernity. what, for instance, are the novel's attitudes toward scietific advanements?

7- discuss van helsing's role as Dracula's anagonst. why is the old Dutch professor the most threatining adversary to the count?

please give me the answer as soon as possible...

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