Q. Which one of the following was initially the most powerful city state of India in the 6th century B.C.?
(a) Gandhar
(b) Kamboj
(c) Kashi
(d) Magadh
Ans: (d) Magadh
Explanation: Among the options provided, the most powerful city-state in India during the 6th century B.C. was (d) Magadh (also known as Magadha). Magadha emerged as a prominent and powerful kingdom during this period under the rule of the Haryanka and later the Nanda dynasty. The capital city of Magadha, Rajagriha (modern-day Rajgir in Bihar), was a center of political and cultural activities. Magadha’s power and influence continued to grow in subsequent centuries, culminating in the rise of the Maurya Empire under the leadership of Chandragupta Maurya.