There are very, very few US laws regarding the ownership of knives/swords and edged weapons. Other than carrying in public or brandishing, if it is on your private property, there are nearly zero restrictions on ownership.
18
Your local police can assist you.
Unless your state has restrictions, 18.
Restrictions on owning a hand gun depends on what nation this question is being directed. In the United States the restrictions on owning a hand gun varies in each state. For example, in the state of New York, on is not allowed to own any type of gun while in Arizona one can own anything except a machine gun or army tactical weapons.
There is no lower or upper age limit to owning one. There may be restrictions to having an account with a service provider.
Yes, of course aperson with autism can get a gun. There are no restrictions on autistic people when it comes to purchasing guns.
Arizona is a legal state for sugar gliders, however check with your city for any local restrictions.
Check your local ordinances, and those of counties/cities nearby. Many places have no restrictions on individuals owning pit bulls.
There are a lot of kinds of products which are available from the Swords Swords website. Some of the common products are Samurai Swords, Movie Swords, Medieval Swords Swords.
No, some states require a license to have them (Victoria) but generally the act of owning a sword isn't in itself illegal. Of course there are laws to cover misuse...
Samurai swords are from Japan. The swords were made of hardened steel.
yes knights have swords