I’m confused of what you are trying to ask
One very famous, perhaps the most famous way was through improvised vaccination. Specifically, George Washington ordered his healthy men to be injected with substance taken from the wounds of the sick men during a smallpox infection.
A risk was that those men would get sick just like the the sick men did, but the the potential reward would be that they would get sick in a controlled way and that they would be able to fight this disease.
Supply & Demand. More crops mean more job opportunities. More job opportunities & food mean more people. More people means more money. Economic growth.
The answer is in the picture
Hope it helps :>
Well, this is a toughfy.. I really want to say C. Mesopotamian Empire. But if that not correct than B. would would be my second choice.