U.S. History Study App - Lessons, Quizzes, Glossaries, Flashcards Features: - Study progress - Quiz progress - 32 Study units - 168 Lessons - 32 Quizzes - 280 Practice questions - 109 Glossaries To develop U.S. History, we solicited ideas from historians at all levels of higher education, from community colleges to Ph.D.-granting universities. They told us about their courses, students, challenges, resources, and how a textbook can best meet their and their students’ needs. The result is an ap