challenge: What was the outcome of the Newfoundland Butter Company's ability to sell margarine within the province after it joined Confederation?
  
  A. Margarine producers across Canada successfully lobbied to allow margarine to be made and sold in the rest of the country
  B. Margarine production and sales were banned across Canada
  C. The Newfoundland Butter Company was forced to change its name and product
  D. Margarine producers in other provinces were restricted from selling their product
  Answer: 