Communism | The 20th century | World history | 可汗学院

Overview of Communism and Marxist-Leninist states. 由萨尔·汗（Sal Khan）创建.

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World history on Khan Academy: From the earliest civilizations to the modern world, geography, 宗教, trade, and politics have bound peoples and nations together — and torn them apart. Take a journey through time and space and discover the fascinating history behind the complex world we inhabit today.

关于可汗学院: 可汗学院提供练习练习, 教学视频, 以及一个个性化的学习仪表板，使学习者能够按照教室内外的步调学习. 我们解决数学, 使用人类有史以来最大的机器, 计算机编程, 历史, 艺术史, 经济学, 和更多. 我们的数学任务指导学习者从幼儿园到微积分的学习者使用最先进, 识别优势和学习差距的自适应技术. 我们还与NASA这样的机构合作, 现代艺术博物馆, 加利福尼亚科学院, 并提供专业内容.

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