Death in a drop

When the United States of America blew up its first atomic bomb, on the sixth of August 1945 AD, the balance of power in the world, who realized that there are new destructive powers, capable of exterminating complete cities with one blow ... What if a new, mighty weapon appeared, the same purpose, through Drops of a special liquid, easy to transport and use, and does not leave behind harmful effects that last for years, such as the atomic bomb?! How will all world powers compete to obtain that new, mighty weapon?! .. The question and the answer is in a drop ... and death also lies in a drop ... one.