US Department of State
America.gov: American Life: Bridge to the 21st Century
Features a comprehensive summary of American history from the 1990s to the beginning of the 21st century. Focuses on presidential elections, domestic policy, economics, foreign relations, and terrorism.
Other
Encyclopedia of the New American Nation: Open Door Policy
Find an extensive, seven-part discussion of the Open Door Policy, with which the United States attempted to gain a foothold in trade with China. Read about the origin of the policy, and find out whether it was a success.
University of Groningen
American History: Outlines: End to the Cold War
Brief overview of G. W. Bush administration policy and the collapse of the Soviet Union effectively ending the Cold War.
PBS
Pbs Online News Hour: Rice on Iraq, War and Politics
Transcript of an interview of National Security Advisor Condoleezza Rice in September of 2002, discussing President George W. Bush's ideas about moving the US into war against Iraq.
Wikimedia
Wikipedia: Condoleezza Rice
A good biography of the first African-American woman to serve as Secretary of State.
PBS
Pbs News Hour: Interview With Secretary of State Rice
An interview conducted by Jim Lehrer. Topics included "Syria's presence in Lebanon, diplomatic efforts to end Iran's nuclear aspirations, the U.S. relationship with Europe, and her first months as America's top diplomat."