(i) It saw the emergence of thinkers like Zarathasustra in Iran, Kongzi in China, Socrates, Plato, and Aristotle in Greece, Mahavira and Buddha among others in India.
(ii) They tried to understand the mysteries of existence and the relationship between human beings and the cosmic order.
(iii) It was the time when new powerful kingdom emerged in India in Ganga valley region. Social and economic life was changed in different ways. Extension of agriculture due to occupations of newlands; used new techniques and iron tools.
(iv) New religions-Buddhism and Jainsism emerged in India that changed the authority of Hinduism in which at that time many evils were prevailing.
