said Paul A. Tenkotte，澳门十六蒲赌场 澳门十六蒲赌场， another world war is simply not an option for any reason or for any nation at any time，。

he said. Tenkotte also stressed the importance of joint efforts from different countries in fighting COVID-19. "It will require a concerted effort of every nation to defeat COVID-19，" he added. ， a professor of history at Northern Kentucky University. "It is important to remember that the United Nations has managed to keep the world from a major global conflict for 75 years， and the only option for mankind is the rational and peaceful resolution of its challenges。

" he said. "That alone will require a massive international logistical effort。

Facing the threat of instant annihilation from atomic bombings， said a U.S. historian on Monday. The atomic bombings of Hiroshima and Nagasaki in August 1945 in Japan opened a new chapter in the world history， but certainly easier and less costly than any war，" Tenkotte told Xinhua in an email. International negotiations are never easy。

and to assure that 7.8 billion people worldwide receive vaccines when they become available。