While not illegal in most countries, gunsmithing is heavily restricted. For the most part, firearm related repairs are only performed by people trained and employed buy the police and the military. http://en.wikipedia.org/wiki/Gunsmith#Global_Overview
It's illegal in most countries.
In some countries it is illegal, most western countries it is not.
In most countries it is not illegal.
I have no idea where you're from, but absinth is illegal in most countries i think
It's illegal in most countries.
Yes, in most countries piracy is considered illegal activity.
It depends on what country you are talking about. In most countries it is not illegal.
Suicide which is illegal in most countries.
Most muslim countries such as Iran or North Korea :/
No, cannibalism is illegal in most countries.
Not in most countries. Despite whatever ethical questions may arise, it is grossly illegal in most countries.
Yes, they can but it is illegal in most countries and immoral everywhere.