That is the result of using fuel. In spite of efficiency gained, more work is possible; more work is demanded, too: a dress is not lasting a decade now, hopeful

That is the result of using fuel. In spite of efficiency gained, more work is possible; more work is demanded, too: a dress is not lasting a decade now, hopefully one season. More people are also available since the fields are producing by themselves, comparatively. Not to mention less of us die to epidemies, famines and swords.