challenge: What was the primary reason for the protest march by thousands of Christians in Kaduna on February 21, 2000?
  
  A. To demand better infrastructure in their communities
  B. To oppose the proposed adoption of Shariah in Kaduna state
  C. To support the Pro Shariah rallies that had taken place earlier
  D. To protest against the high cost of living in Kaduna state
  Answer: 