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NORTHERN SEA ROUTE
*ARCTIC REGIONS
8
NORTHWEST PASSAGE
7
ARCTIC OCEAN
6
Geography
6
RUSSIA
6
SHIPPING
6
Ice and Permafrost
5
Snow
5
CANADA
4
CLIMATE CHANGE
4
GREENHOUSE EFFECT
4
MELTING
4
NATURAL RESOURCES
4
SEA ICE
4
Government and Political Science
3
Military Forces and Organizations
3
NAVIGATION
3
UNCLOS(UNITED NATIONS CONVENTION ON THE LAW OF THE SEA)
3
*COAST GUARD
2
*COMMAND AND CONTROL SYSTEMS
2
*COMPETITION
2
*MILITARY CAPABILITIES
2
*MILITARY FORCES(UNITED STATES)
2
*POLICIES
2
*SEA ICE
2
*UNITED STATES GOVERNMENT
2
*USNORTHCOM(US NORTHERN COMMAND)
2
Civil Defense
2
Command
2
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