Road to War, The: Road to War, The
Europe in 1914 is a complex system of competing alliances led by two opposing forces: Great Britain on one side and Germany on the other. When the heir to the Austria-Hungarian Empire Archduke Franz Ferdinand is gunned d..
Road to War, The: United States Enters War and Initiates Draft, The
President Wilson asks Congress for declaration of war on April 2, 1917. The United States transforms itself into a society capable of waging total war in 18 months. Wilson and Congress agree to institute a national draft..
Road to War, The: Wilson's Neutrality
Across the Atlantic, Americans look with horror at the carnage in Europe. Wilson believes that it was the system of secret alliances that led to the war, and that all of the participants are equally responsible. As the w..
Role of DNA, The
Dean Hamer, Director of the Gene Structure and Regulation Unit at the National Cancer Institute, talks about the role of DNA in human behavior. Dr. Hamer explains that DNA is like "...a blueprint that determines not only..
Role of the Plantation, The
Historian and author Ira Berlin explains that it was cotton and sugar, in the nineteenth century, which, "...transformed the United States from a minor player in the plantation game to the largest slave society in the wo..
Role of the Secretary of State, The
Former White House press secretary Mike McCurry talks about the evolution of the role of the Secretary of State, a position he says has declined somewhat since the end of the Cold War. At the same time, Mr. McCurry adds,..
Ronald Reagan and Leadership
Presidential advisor, political analyst and university professor David Gergen talks about the qualities that made Ronald Reagan an excellent leader. Mr. Gergen explains that, while President Reagan didn't spend an extrao..
Roots Other Than Square Roots
Simplifying radicals with cube roots and other roots.
Roots of Variables
Simplifying radicals with cube and other roots and variables.
Rounding Numbers: Exercises: Rounding to the Nearest Tenth and Hundredth
This clip provides examples of how to round to the nearest tenth or hundredth. The clip explains that the procedure is basically the same in either case, except that, when rounding to the nearest tenth, it's necessary to..