Hammurabi's Code was left behind as Hammurabi's legacy. This was the first written set of laws and was ruled by harsh punishment for wrongdoings. This set of laws is the foundation for most modern societies today.
The correct answer is "informal social ties."
With that statement, Sociologist Robert Putnam was referring to informal social ties and how these promote bureaucracy.
Robert Putnam is a Professor of Harvard University in Cambridge, Massachusetts. He analyses the society of the US, observing how it has deteriorated civic and personal values. He wrote the book "Bowling Alone: The Collapse and Revival of American Community," in which he suggests that new forms of social engagement must be developed to change the situation.
Ancient people of Mesa Verde were the people who lived in cave like structures underground, some thousand years ago. They were hunters and gathers
The people of Mesa caves dug huge pits underground and they lived in those pits, they were also the farmers of corn and beans. Later in eighth century, they started to build houses with logs which were crescent shaped and had fifty rooms and they shifted their occupation to pottery.
Gradually, the people left their hospices and dwellings. The reasons for which can be worst climatic condition that led to poverty. Later two cowboys had found the cliff palace and with a handmade ladder, they climbed down and found out the artifacts which were still in usable form. The cliff palace attracts the attention many visitors even today.