Correct Option: B

liberate (Verb) : to free a country or a person
fetter (Verb) : to restrict somebody’s freedom; shackle
restore (Verb) : to bring back to a former condition, place or position
exonerate (Verb) : to officially state that somebody is not responsible for something that he has been blamed for
distract (Verb) : divert ; to take somebody’s attention away from what he is trying to do