The document discusses the topical approach to teaching social science. It explains that the topical approach revolves content around a series of interconnected topics that are suitable for students' ages, abilities, and interests. Examples provided include focusing on discrete historical events, eras, or other topics. Key merits are that an integrated knowledge is imparted, learning is related to life, and student interest and motivation remain high. However, difficulties include that the approach is challenging to adopt and requires good resources like libraries and competent teachers.