From Virginia's Declaration of Rights, written well before 2A and the US Consitution:
Section 13. That a well-regulated militia, composed of the body of the people, trained to arms, is the proper, natural, and safe defense of a free state; that standing armies, in time of peace, should be avoided as dangerous to liberty; and that in all cases the military should be under strict subordination to, and governed by, the civil power.
Have you ever read "on the social contract", by Jean Jacques Rousseau?
Look up " The Society of Unknown Philosophers"... (; the philosophies of Natural Law...
I have not but will, and will do!
I first read the words "Society of Unknown Philosophers", in a book by Manly Palmer Hall titled, "The secret destiny of America"... another excellent read (imo).