What question does the adverb clause answer?
so that you can prepare for the final, let's meet in the library to study.

when

where

how

why

under (on) what condition

or

compare /contrast

this question is grammatically incorrect and is illegible to me so i can not answer.

particulars about treasure island, from the beginning to the end, keeping nothing back but the bearings of the island, and that only because there is still treasure not yet lifted, i take up my pen in the year of grace and go back to the time when my father kept th

explanation: