A Letter to Ban Ki-Moon

Dear Secretary-General,

Since the bombing of Hiroshima and Nagasaki in 1945, nations of the world came to a realization of the real danger of nuclear weapon. Then, the issue of nuclear weapon being debated and discussed intensively by nations of the world. Much effort has been done to control the use of nuclear weapon, by the nations of the world. For example by making the “Nuclear Non-Proliferation Treaty”.