transportationImprovements
4
triples
GPTKB property
Random triples
| Subject | Object |
|---|---|
| gptkb:U.S._Economic_Growth,_1790–1860 | canals |
| gptkb:U.S._Economic_Growth,_1790–1860 | railroads |
| gptkb:U.S._Economic_Growth,_1790–1860 | turnpikes |
| gptkb:U.S._Economic_Growth,_1790–1860 | steamboats |