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Answer:
Victor visits England because more advances in science have taken place in England. He says he is enslaved by his creation. What is the effect of Victor's return to the present? The break in the narrative brings the listener to the present and Victor foreshadows the death of Clerval.
Explanation:
Because when someone memorizes something, it is most likely going to be hard to memorize, and when he or she accomplishes it he/she feels that they did something great, and since it is a famous speech, that means that what he memorized is important.