Random triples
| Subject | Object |
|---|---|
| gptkb:Fortified_Sector_of_Boulay | defend against German invasion |
| gptkb:Cassino_Lines | Delay Allied advance |
| gptkb:Great_Wall_(sections_near_Beijing) | yes |
| gptkb:Martello_Tower | resist cannon fire |
| gptkb:Fortified_Sector_of_the_Crusnes | defend against German invasion |
| gptkb:Mountains_of_Shadow | protect Mordor from invasion |
| gptkb:Malbork_Castle_fortifications | protection against invaders |