Amajor difference between japanese samurai and european knights during the middle ages is that only knights: a provided military protection for the ruling class b wore protective armor and carries swords c recieved land in payment for their service followed a distinct code of honor

most people now work in jobs where they do one  kind  of work; they are carpenters, bankers, cooks, mechanics, and so forth. likewise, most  businesses produce  only certainkinds  of  goods  or  services, such as cars, tacos, or gardening  services. this feature of  production  is known as specialization.