The study book The Gun, the Ship, and the Pen examines the development of constitutions worldwide, starting with the Corsican constitution of 1755. Among the authors are influential figures such as Catherine the Great with her Nakaz, James Africanus Horton from Sierra Leone, and Khayr-al-Din from Tunisia, a pioneer of the modern Islamic constitution. This book offers an in-depth analysis of how constitutions and warfare have influenced each other, and how they have served both imperial interests and national liberation. The book addresses diverse examples, such as Japan’s constitution of 1889 and the first constitutional arrangement to grant full women’s suffrage on Pitcairn Island in 1838. The Gun, the Ship, and the Pen is a groundbreaking work for anyone interested in the history and evolution of constitutions in a global context.