What Does the New START (Strategic Arms Reduction Treaty) and Protocol

What does the New START (Strategic Arms Reduction Treaty) and Protocol of 2011 accomplish?

A) Bans all chemical and biological weapons, as well as nuclear arms
B) Cuts nuclear warheads over the next seven years
C) Requires the United States to eliminate all ground-launched short-range missiles
D) Requires North Korea to stop all testing of nuclear weapons
E) Requires both Russia and the United States to destroy all their biological and chemical weapons.