Which of these characteristics applies to both the tang and song dynasties? a. religious leadership based on chan buddhism. b. policies promoting progress toward social equality for women. c. a reliable food production and distribution system. d. population shifts from urban to rural areas of china.

the answer to fill in the blank in this question would be the word resource, it is defined as the money, material or people (since human resource is a very valuable good) that a company or a person has at disposition (meaning they can use the resource as they see fit), to be able to complete a task or achieve a goal.