Improved relations with the Soviet Union and the PRC are often cited as the most successful diplomatic achievements of Nixon's presidency. ... The reason for opening up China was for the U.S. to gain more leverage over relations with the Soviet Union. Resolving the Vietnam War was a particularly important factor.
i believe that the answer is letter B!
The president gets his/her power from Congress.
Um i think people who owned factories and people that started to move away rrom agriculture got more money