Final answer:
According to the information provided, cities, states, and nations with more gun ownership have higher homicide rates.
Step-by-step explanation:
The answer to your question is:
According to the information provided, it can be inferred that cities, states, and nations with more gun ownership have higher homicide rates. This suggests that gun ownership may contribute to an increase in violence and homicides.
For example, the passage states that there is a clear relationship between access to guns and mass shootings. It also mentions that the majority of school shootings were perpetrated by young people with severe mental health problems.
Therefore, the answer to your question is e. b and c: states and nations have higher homicide rates with more gun ownership.