There are no states that are prohibited from taxing by the U. S. Constitution. Such a prohibition may or may not be placed in the State's Constitution or Charter or such.
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Individual states seceded from the Union in 1861 through votes in their state legislatures and conventions.
Answer:
Lord of Nobles; Duties and Obligations: Lord had to exercise his judicial powers over the people they ruled. The would report on crops, harvests, and finances.
Benefits: Ruled over masses of people on sets amount of land.
Skills Needed: Strong Leadership skills.
Knight; Duties and obligations: Required to serve and protect the Lord of Noble. They were required to fight for 40 days.
Benefits: Granted land from the Lord.
Skills Needed: Strength and Courage
Serfs/Peasants; Duties and obligations: To serve the lord, right under the knights.
Benefits: Food and water.
Skills Needed: Employability skills. They had to be reliable for work.
They all would have been religious minorities within England, as the majority of the English at the time were Protestants. Due to the importance of religion at the time they all would have been somewhat persecuted.