What is the Roman Catholics' opinion on the:

1. self-defense
2. depends on how well you know the person, giving people guns for christmas would be weird if you only superficially knew them
3. christmas trees are secular who cares

Okay, but what if you don't secure the gun enough and it gets stolen?
Should there be a license and psychological testing needed to buy a gun(normal scenario)/AA missile(extreme scenario)? My point is: the Cathechism says at one point that the production and distribution of pornography should be outlawed:
vatican.va/archive/ccc_css/archive/catechism/p3s2c2a6.htm
Notice:
So what should be the Church-approved laws for gun ownership and Church-approved behaviour for gun owner to not get bad boy points before God at Judgement Day?

Oh, and I also once posted a "which fetishes are ok and which are not and IMO the Church should release a full list" thread because, well, I want to eliminate any doubt because I don't want to sin by accident That's the point of this thread, except for guns.

To repeat myself a bit from the last post: I wish the Church would release(or maybe there is already? I admit I don't know) some lists of what is and isn't Church-approved behaviour.

Not American, don't really care. I don't think Aquinas talked about it.
That's fine.
My friend put a picture of our next-to-last king, so it's cool. Fallout is bad so I don't like the pic, but that's my opinion.

I don't think McNukes can be used for personal self-defense, though.

Shouldn't you care about problems of others as a Christian? That line seemed a bit selfish to be honest. If someone likes guns, he/she should know what's a sin and what isn't. Remember, there are people in this world that don't see ANYTHING wrong with pornography(there literally is a thread RIGHT NOW on Zig Forums where a Protestant defends masturbation because he "read the whole Bible and didn't find anything against masturbation"(somehow) and "I've never felt the Holy Spirit ever guiding me against masturbating to imaginary girls" argument) because they never read Summa Theologica or any other document that explains in-depth why it's bad for your soul. And yet, it is a sin. Church should keep people informed about what elite Christian thinkers realized is wrong and what's okay. Sure, we know contraception is wrong because even back in the times of Aquinas/Augustine they existed and Aquinas/Augustine wrote about it. But guns, especially machine guns did not exist back then. We need a guidance on whether if someone wants to buy a gun is it okay or is it a sin(obsession?) of lust or something so that person can know how to act.

But some people argue they could be used for recreation.

TL;DR We need clear rules(preferably in-depth/in detail) on whether certain behaviours are okay or sinful obsessions.

Forgot to say: and write down which gun-related behaviours are good or bad.

Nukes have tremendous collateral effects, though. Using them for your personal recreation is incredibly selfish and vain.