> Following that train of thought back one can go all the way to the Roman Empire which used slaves as proto machines as you call them.
All the way to the deepest depth of history actually: Sumer and Elam left behind records of slavery and later on in Ur we find laws seting up a framework for slavery.
All the way to the deepest depth of history actually: Sumer and Elam left behind records of slavery and later on in Ur we find laws seting up a framework for slavery.