Hanoi, Dec. 15 -- Prime Minister Pham Minh Chinh highlighted major principles in safeguarding national independence, sovereignty, unity, and territorial integrity while attending a ceremony marking the 50th founding anniversary of the National Boundary Commission in Hanoi on December 15. He underlined the need for resolute yet flexible action to protect independence, sovereignty, unity, and territorial integrity; consistent application of legal and technical instruments, bilateral agreements and international law, particularly the 1982 United Nations Convention on the Law of the Sea (UNCLOS), as the foremost instruments for protecting national interests; and steadfast pursuit of cooperation and dialogue to settle differences and seek fund...