I think it was the Federal boundary if I can recall
Answer:
With the Truman Doctrine, President Harry S. Truman established that the United States would provide political, military and economic assistance to all democratic nations under threat from external or internal authoritarian forces.
Explanation:
Because the northwest passage represents centuries of effort to find a route westward from the Atlantic and Pacific Oceans to the Arctic Archipelago of what is now Canada. Europeans searched for 300 years to find a viable SEA TRADE-ROUTE to Asia. If they were to find it, it would have been easier to travel through seas, and land in the past.