Youe question asks for an opinion. My opinion? There is no reason that a law abiding adult should not own a firearm.
There does appear to be one. It is an INVERSE correlation. As the rate of gun ownership INCREASES, the rate of violent crime DECREASES.
no
None
the second
There is no set age limit for cap gun ownership.
cause
The Second Amendment
Because we can.
Gun is not an acronym, and does not stand for nor abbreviate any other word.
Describe the situation.
Ever since 2008.
That depends entirely on state and local laws. There is no answer good throughout the country.