1.The Role of the United Nations (UN) The word is undergoing major development,major changes and major adjustments.The trend of peace,development and cooperation is gaining momentum.Multi-polarity and economic globalization are deepening.New changes are taking place in global economic govance,and emerging economies are engaged in dynamic cooperation.All these have brought valuable opportunities to the development of all countries.On the other hand,the world still suffers from the underlying impact of the financial crisis.Global recovery is confronted with the uncertainties created by acute debt crisis,rising commodity prices and inflationary pressure around the world.In this context,major economies should continue to strengthen macroeconomic policy coordination so as to ensure strong,sustainable and balanced growth of the world economy.The intational security situation has become more complex.Regional hotspot issues keep flaring up,and turbulence continues in West Asia and North Africa,Non-traditional security issues such as climate change,energy security,food security,terrorism and nuclear safety are becoming more pronounced.In sum,there are a growing array of destabilizing factors and uncertainties in the world and a long way to go before lasting peace and common development can be achieved.