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Clearing the Way
1:09
Clearing the Way
Bulldozers cleared trees and dirt from a 60 to 90-foot swath for the Alaskan Highway.
Finishing the Alaska Highway
0:50
Finishing the Alaska Highway
On October 25, the U.S. Army Corps of Engineers closed the last gap of the highway.
Arctic Challenges
2:53
Arctic Challenges
By September, 1942 the Army Corps of Engineers had struck permafrost.
Safety Precautions
2:41
Safety Precautions
Engineers had to consider all possible events that might happen in a high rise building.
Prefabrication for the Twin Towers
1:32
Prefabrication for the Twin Towers
Unlike earlier skyscrapers, the twin towers were erected in huge prefabricated components.
Introduction to "The Negro and the American Promise"
2:13
Introduction to "The Negro and the American Promise"
Dr. Kenneth Clark introduces the segment "The Negro and the American Promise."
Malcolm X on "The Negro and the American Promise"
13:07
Malcolm X on "The Negro and the American Promise"
Malcolm X appears in Boston public television's "The Negro and the American Promise."
Emma Goldman and Opposition to the First World War
2:44
Emma Goldman and Opposition to the First World War
Goldman and Berkman organized demonstrations protesting America's entry into WW1.
Golden Gate Bridge: Doing the Math
2:21
Golden Gate Bridge: Doing the Math
Ellis computed dozens of factors and completed the bridge's overall design in four months.
The Bridge's Design and Color
0:59
The Bridge's Design and Color
Joseph Strauss hired Irving Morrow to design an architectural treatment for the bridge.
Comparing Baseball to "El Béisbol"
1:08
Comparing Baseball to "El Béisbol"
Clemente saw top ball players, black and white, at the Puerto Rican Winter Leagues.
Roberto Clemente Meets Jim Crow
1:49
Roberto Clemente Meets Jim Crow
Roberto Clemente is introduced to overt racism, while training in the American South.
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