What is the source of gun violence in the US.

As of October 17, 2021

What you’ll need to do to legally own and use a gun, beyond basic state and federal guidelines, varies by state. Many states, such as Alaska, Arizona, and Wyoming, even allow you to conceal carry (with restrictions) without a permit. Conversely, there are states where there’s a need to take a gun safety course just to purchase a firearm, although the specifics of related requirements also vary. Below, we focus on these states and point out why taking a firearms safety course is a good idea regardless of what applies in your state.

States with Safety Course Requirements to Purchase Guns
There are currently 9 states that require some sort of firearm safety training in order to simply purchase a firearm. These states are:

Washington
Oregon
California
Hawaii*
Massachusetts
Rhode Island
New Jersey
Maryland
Connecticut

This list includes the District of Columbia as well. Hawaii requires safety courses for handguns but not long guns. The specific requirements for each state varies. Most will require classes that contain specific laws and regulations that pertain to that particular state.

Guns

I was surprised to see the requirements that a necessary before you are issued a gun in the army.

Army Weapons Qualification Course | Military.com https://share.google/HwBQpVxHAxnvO7QG3

Pride... The proud cannot handle any disrespect no matter how trivial.. They must react to get revenge and revenge often comes at the end of a gun..

Most countries don't have all those guns!

In general, lack of proper upbringing in a family unit. Thus you get street thugs and gang bangers with no sense of right or wrong and no respct for anyone.

The number of guns determines the number of "tragedies".

Ikr.