<span>Historians study a number of things when attempting to make connections between ancient civilizations and the culture of today. Often including such things as social trends, literature, and media of the time. Anthropology includes the knowledge from nearly every possible academic sphere, from the sciences to the humanities of a given topic. Anthropology, is in short, the study of mankind from ancient times to the "modern" cultures of now. The reason for such studies taking place is to hopefully learn from the past and improve our current state as a society.
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The correct answer is where the royal power was weak or non-existent
Whenever there was a king that couldn't keep everyone in line, the local lords would band up on him or would become more and more independent and it would be difficult to control them since they would often work even with foreign powers against their own lords. This led to the downfall of numerous dynasties or emperors in Europe.
His troops seemed to be in such an ugly mood.
I hope this helps. :)
Japan's military decreased and industrial economy increased.