I’m pretty sure it’s systematic agriculture
Yes iron was used extensively by the Sumerians.
They crossed the Atlantic Ocean.
They were written in the midst of the debate over electing representatives to a ratifying convention in New York (state), and the immediate target audience was New York readers, particularly those who would be shaping the state’s approach to ratifying the Constitution.
Stephen douglas! <span>ʕ•ᴥ•ʔ</span>