 |
| international waterways: 10 phrases in 7 subjects |
| Diplomacy | 4 |
| Ecology | 1 |
| Foreign affairs | 1 |
| International law | 1 |
| Law | 1 |
| Nautical | 1 |
| Transport | 1 |
|
| international waterways: 10 phrases in 7 subjects |
| Diplomacy | 4 |
| Ecology | 1 |
| Foreign affairs | 1 |
| International law | 1 |
| Law | 1 |
| Nautical | 1 |
| Transport | 1 |