Evaluate the following statements about Emile Durkheim and identify which are correct:

i) Emile Durkheim is considered one of the pioneers of modern social science and sociology.

ii) Durkheim's concept of "anomie" describes the breakdown of social norms and resulting social instability.

iii) Durkheim introduced the idea of historical materialism.

iv) His study "Suicide" explores the social causes of suicide rather than individual psychological factors.