Which of the following factors contributed most to the high rate of inflation reflected in the "Inflation as Measured by the Consumer Price index graph A. The cost of funding the Vietnam War and providing social programs during the 1960s without raising taxes B. The rapid decline of energy prices following the establishment of the Organization of Petroleum Exporting Countries C. The insistence by Republican presidents and members of Congress on balancing the federal budget each year D. The rising cost of enforcing environmental regulations passed by Congress in response to the energy crisis