1831 (1 gen 1831 anni – 1 gen 0 anni)
Descrizione:
Cyrus McCormick invented the horse drawn reaper in order to harvest grain five times faster than possible by hand with a scythe. This was a change because the focus during the market economy was to industrialize and farming machinery had not yet been improved until this point.
Aggiunto al nastro di tempo:
Antebellum Era
Data: