| Hint | Wall | % Correct |
|---|---|---|
| After 2.5 million people defected from Soviet-controlled East Germany, the government constructed this wall in 1961 | The Berlin Wall | 100%
|
| The most famous border wall in the world | The Great Wall | 95%
|
| This Roman barrier was built to protect northwestern Britain from barbarians | Hadrian’s Wall | 78%
|
| A series of walls in Northern Ireland that separate predominantly Catholic neighborhoods from predominantly Protestant neighborhoods | The Belfast Peace Walls | 11%
|
| This barrier in northern Iran was built in the 5th–6th century during the Sāsānian dynasty | The Great Wall of Gorgan | 8%
|