What do you really like about english?

Correct my question my english is not good: “what the effect and the effectiveness of strength exercise in breast cancer medication related to lymphedema? ”

Ican’t find this question here can y’all tell me the awnser?

Read the following sentence from excerpt of the narrative of the live of frederick douglass and define the bolded word: "why master was so careful of her, may be safely let to conjecture." question 10 options: a) prayer or hope b) guesswork or speculation c) relief or ease d) disapproval or disappointment