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the Northwest Passage
the Northern Sea Route
3
Canada
2
Russia
2
freedom of navigation
2
he Arctic
2
internal waters
2
international straits
2
law of the sea
2
sovereignty
2
the USA
2
Egg Code
1
H
1
Hydrology
1
Ice chart
1
Ice information
1
Oceanography
1
Social Sciences
1
droit
1
environmental law
1
scipo
1
sea-ice conditions
1
the Arctic
1
transport and logistics structure
1
Арктика
1
Северный морской путь
1
Северо-западный проход
1
транспортно-логистическая структура
1
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