The answer is: A
The Second Amendment states the right of an individual to own a firearm as well as the right to form a regulated militia.
As such, we can deduct that the purpose of the amendment was made to not only protect an individual's right to own a firearm, but in case of an unjust regime, be able to fight against it through the use of said firearms.
Restricting a citizen's right to own a firearm, will in turn decrease the ability of citizens to stand up against an unjust regime.
Workers from the Eastern states were encouraged to come to Oklahoma during the early oil boom because they played it up as though it was a great life, the money was great, the area was great. Everything was to be had in Oklahoma and in the West versus struggling in the East.
Encourage greater trade among nation-states. Help establish treaties between nation-states.