Random triples
| Subject | Object |
|---|---|
| gptkb:The_National_Road | military movements |
| gptkb:Savannah_and_Macon_Railroad | military supplies during the Civil War |
| gptkb:The_Pennsylvania_Canal | shipping goods |
| gptkb:Erie_and_Chicago_Railroad | the movement of settlers westward |
| gptkb:Erie_and_Chicago_Railroad | the movement of raw materials |
| gptkb:Orange_and_Alexandria_Railroad | agricultural products |
| gptkb:Birmingham_and_Dublin_Canal | industrial transport |