What factors led to the adoption of the presidential primary system by the majority of states

Read this quotation from teddy roosevelt. “we demand that big business give people a square deal; in return we must insist that when anyone engaged in big business honestly endeavors to do right, he shall himself be given a square deal.” what is president roosevelt indicating about how large businesses should be run in the united states? a. government is forcing businesses to change the geometric shape of deals. b. businesses should operate ethically to ensure the welfare of their workers. c. businesses need to promote the internal structure of their offerings. d. government plans on systematizing the way deals are made in business.