Random triples
| Subject | Object |
|---|---|
| gptkb:U.S._Selective_Service_System | used during World War I |
| gptkb:Selective_Service_System_(United_States) | used during Vietnam War |
| gptkb:U.S._Selective_Service_System | used during Vietnam War |
| gptkb:U.S._Selective_Service_System | used during World War II |