Overproduction of inventions and the underconsumption of those inventions caused the Great Depression because they cause Black Tuesday, the day the stock market crashed. Hope this helps.
It is Song Dynasty (宋), and the answer is (D).
Babylonia had a number of rulers, but I think the one you mean, the one that is particularly know for the laws was Hammurabi (who lived in 18th and 17th century BC). The law is known as the Code of Hammurabi.