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From a mosquito-ridden backwater to the world’s last remaining superpower, the United States of America is a nation with a rich history and a noble goal: government of the people, by the people, for the people. Its citizens’ struggle to achieve that goal is a dramatic story stretching over hundreds of years.
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Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computing, history, art history, economics, and more, including K-14 and test preparation (SAT, Praxis, LSAT) content. We focus on skill mastery to help learners establish strong foundations, so there's no limit to what they can learn next!
Multiplication and division
South, East, and Southeast Asia: 300 B.C.E. - 1980 C.E.
Graphing lines and slope
Home-made robots
Global prehistory: 30,000-500 B.C.E.
