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Social Studies
Debunking the myth of the Lost Cause: A lie embedded in American history
Lesson duration 04:43
1,980,158 Views
1,351,201 Views
544,543 Views
3,102,954 Views
1,003,264 Views
1,059,247 Views
3,438,238 Views
526,338 Views
Design, Engineering & Technology
Why are airplanes slower than they used to be?
Lesson duration 04:59
2,445,905 Views
326,715 Views
347,696 Views
593,998 Views
2,992,387 Views
3,830,449 Views
598,627 Views
1,409,463 Views
736,997 Views
427,313 Views
456,891 Views
11,696,769 Views
560,998 Views
1,865,081 Views
648,626 Views