Be a U.S. citizen.
Be a resident of the Arizona county listed on your registration.
Be at least 18 years old on or before the date of the next general election.
NOT be convicted of a felony (or have had your civil rights restored).
NOT be declared "incompetent" by a court.
One item can be the weapons. Many Europeans gave the natives a bunch of weapons because they had plenty. They even gave them faulty weapons or broken ones because the natives didn't know any better.
Because non-communist governments wanted to control its spread, and prevent other countries from becoming communist. I guess because communism's style of governance is unfair to some.
Answer:
I think it is OK because the people can choose whether or not to break the rules, they are putting themselves at risk and it's there decision.
Explanation: