After the industrial revolution, works such as Georg Simmel's The Metropolis and Mental Life (1903) focused on urbanization and the effect it had on alienation and anonymity.. 
jẹ́ òṣèré tó gba ẹ̀bùn àkàDemi fún òṣèré Ọkùnrin dídárajùlọpọ̀àwọn Ọjọ́ìbí ni àwọn ẹlẹ́bùn ADemi Ọkùnrin Òṣèré Dídárajùlọ Sago.. 