This title is intended for undergraduates studying the history of the British Isles in the 20th century. It should also be suitable as background reading for general readers and students of 20th-century philosophy, politics, and literature. It includes separate chapters covering the developments in Ireland and Britain's relations with the wider world and sets events in the British Isles within the wider context of the Cold War, assessing its impact both internationally and domestically. It goes on to discuss the growing impact of Europe on all aspects of life in the British Isles.