Possible Clues:

• It’s across the Strait of Belle Isle from Newfoundland
• A breed of dog - or part of a province of Canada
• Common breed for guide dogs
• Political reformer enlisted by US socialists in area of N America
• An old railway poster nibbled by my dog?
• Drama school endlessly involved in work in USA and part of Canada
• Many a Seeing Eye dog
• A fetching breed of dog
• Canadian peninsula; the breed of dogs which have been owned by Bill Clinton and Vladimir Putin
• Dog believed to have originated in Newfoundland