Feudalism was a system of hierarchy which was concerned with reciprocal legal and military obligations during medieval times. During those times neither Europe nor Japan shared a direct contact of this class system. However, Japanese and European societies developed a system of hierarchical classes (lords, knights, peasants, etc) which were very similar. At that time, when a person completed a feudal activity, he received the title of "knight" in Europe and "Samurai" in Japan.
According to Adam Smith, "the Invisible hand" was the "supply and demand" aspect of the market system, in which the amount of goods produced was dependent on the amount of goods demanded.
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Answer:
A naturalized citizen must swear allegiance to the U.S. government.
Explanation:
the others are wrong.