A.Has been known to the people since the earliest times
B.Came into existence in the 5th century AD.
C.Came into existence in the wake of industrial revolution
D.Came into existence in the wake of large scale production
A.Has been known to the people since the earliest times
B.Came into existence in the 5th century AD.
C.Came into existence in the wake of industrial revolution
D.Came into existence in the wake of large scale production