German control of Norway is treated as a strategic failure that lengthened the war. It opened access toward the North Atlantic and the Arctic convoy routes. Anti-submarine patrols also became harder once neutral Norwegian waters could no longer serve as a space German forces should not freely cross. The Altmark aftermath therefore affected neutral rights and the future operating space of the Kriegsmarine.
Notable Point · 7:13-8:09
Norway's strategic consequences
The video argues that German control of Norway worsened the Atlantic and Arctic convoy war by opening northern routes and bases.