Power Of Self Confidence | Motivational Video | Amit Noriya : National Record Holder

Consider the following statements : The most effective contribution made by Dadabhai Naoroji to the cause of Indian National Movement was that he 1.exposed the economic exploitation of India by the British. 2.interpreted the ancient Indian texts and restored the self confidence of Indians. 3.stressed the need for eradication of all the social evils before anything else. Which of the statements given above is/are correct?