No way to know.
Books, letters from the maker, owners,
Since, like most states, Utah does not require registration of guns or gun owners, there is no one source of reliable information on the number of gun owners in Utah. However, some studies indicate that nearly half of the households in Utah own at least one firearm.
California
No you cannot possess a firearm at all
If you an Illinois resident, adn you are hunting with a firearm, yes. If you are not a resident, you cannot get an FOID, and it is not required.
That statement means that state laws and the regulation of firearms are the same in every state. That is not a true statement. Each state has its own laws and there are broad differences in state firearm laws. There are also federal firearm laws.
Answer varies state to state. In most cases, pass a background investigation, show that you have had training to safely handle a firearm.
That is impossible to answer as asked. Every state in the U.S. has multiple firearms laws. Most states have hundreds of laws.
No.
depending on how you count, either WY or TX
There are no restrictions placed on selling firearms on Sunday in the state of South Carolina. There are also no permits required to purchase most common firearms in the state.