Fiji, Feb. 23 -- Japan's Foreign Minister Toshimitsu Motegi has warned that the world is undergoing its most significant structural changes since the end of World War II, pledging a "Responsible Japanese Diplomacy" to safeguard peace and prosperity.

Addressing the 221st Session of the Diet on Friday, Motegi said the global security environment is shifting rapidly amid intensifying conflict and confrontation.

"Amidst the shifts in the balance of power and the intensification of conflict and confrontation, the world is currently undergoing the most significant structural changes since the end of WWII. The security environment surrounding the international community and Japan is undergoing rapidly, accelerating changes across various field...