(A) Explain why states were not obligated to follow the provisions of the Second Amendment until 2010, even though they had to follow the provisions of the First Amendment. (B) In District of Columbia v. Heller (2008), the Supreme Court decided that Washington, DC, could not prohibit the general public from owning handguns. Explain why the court's decision did not require states to abide by the provision.

(C) Describe under what circumstances a state or locality may prohibit firearm ownership.