Answer: More corporate focus has taken place.
Step-by-step explanation:
Oklahoma was a wheat growing nation but hog raising become the priority occupation for the nation. Greater increase in agricultural land, grain availability, and increase in export of hog to West coast contributed to the increase in the growth of profit obtained from the hog raring. Also increased access to water through aquifer contributed to the raring of hogs in the nation. All these facilities allowed the corporate to focus on the growth of hog industry.