challenge: According to the 2020 census, what was the racial makeup of Hartford, Iowa's population?
  
  A. 70% White, 15% Black or African American, 5% Native American, 10% Asian
  B. 90% White, 5% Black or African American, 3% Native American, 2% Asian
  C. 80% White, 10% Black or African American, 5% Native American, 5% Asian
  D. 94.3% White, 0.4% Black or African American, 0.1% Native American, 0.4% Asian
  Answer: 