Speedstudy U.S. History Self-paced, interactive, and stimulating tutorials to give students a solid educational foundation in the key ideas and eras of American history. Boost grades and test scores Animations, quizzes, challenge activities, journal topics and more gives users the tools they need to understand historical concepts. Covers from the early settlements through the Internet age. Curriculum-based lessons have been designed by educators to help students practice critical thinking skills in an engaging learning environment. Windows XP, Vista, 7, 8 compatible