Choose from the four options, the word that best defines/substitutes the given phrase.
"The rule by nobles"

Correct option is B

The correct one-word for the given group of words is (b) Aristocracy.
Explanation: Aristocracy refers to the rule by a privileged class or nobles, perfectly matching the definition sought. (Hindi: अभिजात वर्ग)
Example: During medieval times, aristocracy was common across Europe, with nobles holding vast lands and powers.
Meanings of the given other options:
· Monarchy: Rule by a single person, usually a king or queen.
· Republic: A political system where the country is considered a "public matter" with officials elected as representatives.
· Autocracy: A system of government in which one person has all the power and authority.