Turn Gunpowder to Sludge

What would make this world into a Utopia?

The world’s supply of gunpowder has been turned to sludge, rendering all firearms useless  

Why?

Gun Violence.  Dan C.

 

Utopia Machine: Climate Change Machine, Ellen Harvey, 2014. No. 11 of 100 panels. Acrylic on Alubond panel, 16 x 12 in.