Answer: A.The hard labor of farmers
Explanation:
The economy and wealth of medieval Japan were based on agriculture. Japan has developed an almost identical socio-economic system as in Europe, that is, feudalism. The whole country was in the hands of the rulers. He divided the land among the nobles, which the peasants cultivated, and they took part for themselves. In turn, these nobles, to whom the land was assigned, had to provide a certain number of soldiers to the ruler in case of war. The larger the plot, the more the nobleman had to provide more soldiers.
