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Social Studies
Debunking the myth of the Lost Cause: A lie embedded in American history
Lesson duration 04:43
1,981,911 Views
1,352,044 Views
545,076 Views
3,108,641 Views
1,003,667 Views
1,061,072 Views
3,440,124 Views
526,878 Views
Design, Engineering & Technology
Why are airplanes slower than they used to be?
Lesson duration 04:59
2,446,606 Views
327,709 Views
348,384 Views
594,304 Views
2,999,405 Views
3,832,571 Views
599,056 Views
1,412,532 Views
761,680 Views
428,273 Views
457,151 Views
11,700,909 Views
561,419 Views
1,868,641 Views
649,071 Views