Answer:
Because it is necessary to security of a free state.
Explanation:
The Right to Bear Arms is on the Second Amendment of the US Constitution this amendment provided more power to state militias that today are considered National Guards. This Amendment was a compromise between Federalists and Anti-Federalists as a way to give more power to states. At that moment, they believed that bearing arms was very important because they just won the war with the British and it allowed citizens to fight for their country.