The document provides keywords and definitions from chapters 5-10 of a secondary school history textbook on Singapore. It includes terms related to World War 2, British rule in Singapore, Singapore's path to independence, and the early economic development after independence. Key events summarized include the impact of external factors prior to WW2, how WW2 affected Singapore, the local response to British rule post-WW2, Singapore achieving internal self-government and independence, and tackling economic challenges in the early independent years.