Original: The Second Amendment (Amendment II) to the United States Constitution is the part of the United States Bill of Rights that protects the right of the people to keep and bear arms. It was adopted on December 15, 1791, along with the rest of the Bill of Rights.
Simplified: Created on December 15, 1791, the Second Amendment in the United States Constitution is the part of the United States Bill of Rights that protects the right of citizens to have firearms.