The origins of the progressive movement were rooted in the

answer; i do believe that the (14th)fourteenth amendment is the correct answer

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.