This year's Nobel Prize for Literature has gone to the Canadian writer Alice Munro. She is highly praised for her short stories which focus on life in the part of Canada where she has spent most of her time.
possible or likely
a person who has been given a high-level award for their ability or achievements (such as a Nobel Prize)
having made many small changes to make something as good as possible
usually including
completely
born in Canada; usually the suffix '...-born' is used to show that someone was born in a place but no longer lives there
unable to think clearly
started thinking clearly (and understood what was happening)