This is a complicated question. Ours is a huge nation, and there are definitely issues with violence in parts of it. We have drugs. We have gangs. We have thousands of people using psychotropic drugs.
So what is the cause? We, Americans, are a kind, generous people, and yet our homicide rate is still 3.82 per every 100,000 people.
Why? Some common causes are listed below, but I get the feeling that the question is more complicated than just a simple answer.
Take the poll, and let’s explore further in comments.