Final answer:
The option 'university system' was NOT a direct result of MacArthur's Japanese reforms, as Japan already had established higher education systems before the American occupation.
Step-by-step explanation:
The reforms in Japan led by General Douglas MacArthur following World War II included several significant changes. Among those changes were the demilitarization of Japan, democratization of the political system, and the establishment of fundamental human rights. Notably, the Japanese Constitution of 1947, greatly influenced by the American occupation authorities, introduced many reforms. Some of the key reforms included a transition to a free-market economy, the extension of female suffrage, a ban on warfare by the new pacifist state, and a focus on rebuilding the country's economy and society. However, the option listed in the question that was NOT a result of MacArthur's reforms is a university system. Higher education systems were already established in Japan prior to the occupation, and though reforms might have affected the system, they did not originate it.