Use this AP World History Study App to help you prepare for an exam or simply to expand your knowledge of world history. Categories include: — The Ancient World — The Growth of Civilizations — Emergence of the Major Religions and Trade — The Old Worlds Collide — The Age of Exploration and Developments — Revolutions and Imperialism — WWI – Present If you have any questions or comments, please email us at [email protected] or visit our websites at historyuncorked.com and ekmstudios.com AP is a registered trademark of the College Entrance Examination Board that does not sponsor or endorses the History.