William Howard Taft is the fattest president ever
Federal government includes all 50 states while state government only includes the state. The state makes its own laws and has its own governor, mayors, etc. Federal follows the basis of the constitution.
A result of President Carter's desire to ease tensions with China was increase trade. President Jimmy Carter started to ease tensions with China by recognizing the communist regime in January 1979, with that trade was increased, along with cultural, commercial “and other unofficial relations”.