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04:31 Social Studies From pacifist to spy: WWII’s surprising secret agent Lesson duration 04:31 1,425,651 Views
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06:10 Social Studies Who were Las Mariposas, and why were they murdered? Lesson duration 06:10 1,707,232 Views
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06:56 History How Southern socialites rewrote Civil War history Lesson duration 06:56 4,640,492 Views
05:25 Science & Technology Why don’t we cover the desert with solar panels? Lesson duration 05:25 5,461,224 Views
