The document provides background information about New Zealand's involvement in World War 1, including statistics on the number of troops who served and casualties. It discusses why the author will be studying history this term, focusing on understanding the past and present, asking questions, and learning about people and events in a fun way. Specifically, the author wants to understand why students from their school wanted to fight in WWI and why New Zealand remembers its war dead on ANZAC Day. The document also includes vocabulary definitions for the main causes of war: militarism, alliances, imperialism, and nationalism.