Your question: What 19th century major development came about as a result of physicians’ understanding that microorganisms caused disease?
Your answer: Infection control was the 19th century development that came about as a result of physicians' understanding that microorganisms caused diseases.
Because goods don't matter. It doesn't make you happy. And when you die, you don't get take your riches with you to the grave! And it sure doesn't make you superior to anyone, just because your rich! Your just the same as everybody else!
