Concept:Plutocracy is a system where power is held by the wealthy.
Explanation:The term "plutocracy" comes from the Greek words "ploutos" (wealth) and "kratos" (rule).
It literally means rule by the rich or those who control significant financial resources.
In a plutocracy, wealth is the main basis of political influence and decision-making.
Among the options, this directly matches the definition given in the question.
Answer:Government by the wealthy is known as plutocracy.
Therefore, the correct option is
B. Plutocracy.