The 2008 Supreme Court Decision in District of Columbia V

The 2008 Supreme Court decision in District of Columbia v.Heller was significant because it

A) reinforced the notion that the right to bear arms is only for militias, not for individuals.
B) upheld the right of children under 18 to own firearms.
C) allowed a city to prohibit the sale or barter of ammunition.
D) established an individual right to bear arms that the federal government could not interfere with.
E) allowed courts to strike down handgun laws but not laws regulating other types of firearms.