What were the key features of the Sumerian economy and early financial law codes?

Here are the answers to your questions:

The Sumerian economy was originally based on:
C. Commodity money known as Shekel
The Sumerian economy utilized a system where commodities like barley and silver, measured in units like the shekel (originally a unit of weight), served as a medium of exchange and a standard of value. While barter existed, the development of commodity money was a significant step.

• The correct option is C.

Early financial law codes in Sumer included:
C. Rules on interest, inheritance, and property
Early Mesopotamian law codes, such as the Code of Ur-Nammu, which predated the more famous Code of Hammurabi, contained detailed regulations concerning economic activities. These included rules on interest for loans, inheritance of assets, and the ownership and transfer of property.

• The correct option is C.