Which city in India can be claimed to have been central to many empires that ruled India ? 

Answer is : (d) Sardinia-Piedmont

Buddhist text that mentions that the king of Kasi had defeated Kosala – Mahavagga

(d) three centuries

Correct Answer - `[{:(0,4,0),(0,0,5),(3,0,0):}]`

B) Copernicus

A) The Inca Empire

D) Divisions among the people

60 years only one party ruled in Russia

Correct option is A) C.P.M.

Correct option is C) 1,2