| Answer | Crossword Clue |
|---|---|
| BASES | Strategic strongholds. |
| BASTIONS | Strongholds. |
| FORTS | Strongholds |
| FORTRESSES | Strongholds |
| GARRISONS | Strongholds |
| FORTRESSES | Strongholds. |
| CASTLES | Strongholds. |
| CITADELS | Strongholds. |
| FORTS | Strongholds. |
| REDOUBTS | Strongholds |
| KEEPS | Strongholds. |
| ARMEDFORTRESSES | Strongholds |
| BASTIONS | Strongholds |
| CITADELS | Strongholds |
| FORTS | Oater strongholds |
| CASTELETS | Little strongholds |
| DONJONS | Castle strongholds |
| KEEPS | Castle strongholds |
| SNOWFORTS | Cold war strongholds? |
| FORTS | Old West strongholds |
