concept   river navigation

4 commonsense assertions
Cultures (4) Democratic Republic of the Congo (1) Nigeria (1) Peru (1) Sweden (1)
# Concept Culture Statement Freq.
1 river navigation Democratic Republic of the Congo River navigation is essential for trade and travel in the Democratic Republic of the Congo. 1
2 river navigation Nigeria In Nigeria, river navigation is a crucial mode of transportation for trade and travel in regions with extensive river systems. 1
3 river navigation Peru In Peru, river navigation is limited by steep terrain and fast-flowing rivers, making it uncommon for transportation. 1
4 river navigation Sweden In Sweden, river navigation is challenging in winter due to freezing and ice formation, which impacts transportation. 1