The question explored is “To what extent did Douglas MacArthur contribute in writing of the Japanese constitution?”. To answer the question, the investigation on MacArthur’s role in the occupation of Japan after the Second World War and the construction of the Japanese constitution were carefully examined, using both official documents and secondary sources such as works by historians and biographical articles by journalists. While the work of MacArthur as the lead role of the occupation will be used as an evidence for his impact on the making of the constitution, the presence of other factors and key players are used for evidence for the otherwise. The question is quite controversial and a topic for a debate between many historians. Additionally,
