This title is endorsed by Cambridge Assessment International Education to support the History of the USA 1820-1941 Option from the Cambridge AS Level History syllabus for first examination from 2021.Develop knowledge and analytical skills with engaging comprehensive coverage of the History of the USA 1820-1941 Option from the Cambridge AS Level History syllabus for first examination from 2021. - Trust in the clear and authoritative content written by topic experts- Develop source skills through questions on a wide range of sources- Stay focused on the key issues you need to understand with questions throughout each chapter - Improve study and understanding through detailed chapter summary diagrams- Build confidence with applying your knowledge through exam guidance and exam-style questions