Book excerpt: New edition for the 2013 Specification. Unlock your full potential with these revision guides which focus on the key content and skills you need to know. With My Revision Notes for WJEC GCSE History Route A you can: - Take control of your revision: plan and focus on the areas you need to revise, with content summaries and commentary from author R. Paul Evans. - Show you fully understand key topics by using specific examples to add depth to your knowledge of historical issues - Apply history terms accurately with the help of definitions and key words on all topics - Improve your skills to tackle specific exam questions - such as source evaluation, describe, explain why and essay questions - with self-testing and exam-style questions and answers Units covered: - Russia in Transition 1905-1924 - The USA, a Nation of Contrasts, 1910-1929 - Germany in transition 1919-1947 - The Development of the USA, 1930-2000