How the theme of the mystery has been introduced ? In the novel (a tale of two cities)

The theme of A Tale of Two Cities

With A Tale of Two Cities, Dickens asserts his belief in the possibility of resurrection and transformation, both on a personal level and on a societal level. The narrative suggests that Sydney Carton's death secures a new, peaceful life for Lucie Manette, Charles Darnay, and even Carton himself.

i believe it would be the first one the importance of internet safety

explanation:

because now and days kids don't know what the can find on the internet they can find dark web, 4 chan ect. if we don't teach them internet safety anything can happen.

(don't search up,dark web,4 chan u have been warned)