Question

Research on gun control in the u.s. has shown that ________.

Answer 1

The research on gun control shown that it has a very modest impact on the amount of violence in society.
The problesm with mass killings often not lies within the weapon, but the psychological problems that exist and left untreated.
For the medium of the violence, perpetrators could easily use another type of tools such us running over civilians with trucks for example.