Why was Hadrian's Wall built?
- A To mark the border with Wales
- B To keep out tribes (the Picts) from the north ✓ Correct
- C As a Roman road
- D To protect London
✅ Correct answer: B — To keep out tribes (the Picts) from the north
💡 Explanation
Emperor Hadrian had the wall built to keep out the Picts (ancestors of the Scots) from the north.