The answer is Thanatology. Hope this Helps!
<span>feudalism an inevitable stage in the development of capitalism. Commercial capitalism existed in various countries in the ancient world without a prior stage resembling the feudalism of the Middle Ages in Europe. Industrial capitalism came into existence in the United States, in Canada, and in Australia without a prior stage of feudalism. By a rather heroic oversimplification, the precapitalistic era in Japan might be termed feudalism. </span>