What was the u. s. government's office of indian affairs responsible for doing?

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.  

examples that illustrates limits on texas governor´s power are: it can remove only its own appointees; the judiciary is elected; needs senatorial confirmation.