Was the emergence of feudalism and manorial system and its medieval social hierarchy fair to all persons-lords, knights, peasants, and serfs or was it more fair to some and unfair to others?

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the sugar act, also known as the american revenue act, was a revenue-raising act passed by the british parliament of great britain in april of 1764. the earlier molasses act of 1733, which had imposed a tax of six pence per gallon of molasses, had never been effectively collected due to colonial resistance and evasion.