The amendment's primary justification was to prevent the United States from needing a standing army. Preventing the United States from starting a professional army, in fact, was the single most important goal of the Second Amendment.
Second Amendment, amendment to the Constitution of the United States, adopted in 1791 as part of the Bill of Rights, that provided a constitutional check on congressional power under Article I Section 8 to organize, arm, and discipline the federal militia.
They concluded that the Second Amendment protects a nominally individual right, though one that protects only the right of the people of each of the several States to maintain a well-regulated militia. They also argued that even if the Second Amendment did protect an individual right to have arms for self-defense, it
The Second Amendment, one of the ten amendments to the Constitution comprising the Bill of Rights, states: A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed.