The ultimate worry.  During the Cold War it was a black cloud that permeated every facet of life.  The function of the bomb shelters were to make people think that they had options.  The humane thing would be to make cyanide capsules available.*    

Google Searches for 'World War 3' and 'Trump War' Hit All Time High

http://www.huffingtonpost.com/...

*This is one canon of the devastation of war.  In this case, Hiroshima.  Warning:  graphic images.

http://factsanddetails.com/asi...