United States

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The futuristic National Security Operations Center occupies a floor of the National Security Agency's headquarters in Fort Meade, Maryland.
America's "Big Brother": A Century of U.S. Domestic Surveillance
Trayvon Martin was on the cover of People magazine in 2012.
Justice Denied: The Killing of Trayvon Martin in Historical Perspective
In this 1805 painting, the artist imagines American planter and Indian agent Benjamin Hawkins teaching Creeks to use a plow on his Georgia plantation.
Reflecting on Justice 200 Years after the Creek Civil War
Young Child dressed in a Uncle Sam costume
Coming to America to Contribute
Iranian postage stamp commemorating the shooting down of Iran Air 655 in 1988.
Viewpoint Iran: The Past and Present of the U.S.-Iran Standoff
March on Washington
The Unfinished Struggle: Civil Rights and the March on Washington
Abraham Lincoln Campaign Poster 1860
"Great God, What does it Mean?" - Lee's Escape at Williamsport
Predator drone.
Aerial Torpedoes, Buzz Bombs, and Predators: The Long Cultural History of Drones
The GOP elephant and the Democratic Party's donkey.
Breaking Up Is Hard to Do: America's Love Affair with the Two-Party System
Mapping the Nation: History and Cartography in Nineteenth-Century America, by Susan Schulten Book cover.
From Sea to Shining Sea
soldiers patrolling in Iraq
The U.S. Invasion of Iraq, 10 Years Later
2012 United States presidential election results map by county.svg
Blocking the Will of the Majority Is a Fundamental Feature of the U.S. Constitutional System
The Eve of Destruction: How 1965 Transformed America, by James T. Patterson Book Cover.
Capturing a Moment
Collier's 1921 Lincoln Abraham - cabinet meeting.jpg
Lincoln’s and Obama’s Teams of Non-Rivals
A Sea Fight with Barbary Corsairs by Laureys a Castro, c. 1681
Hostage Taking in Algeria Is a 200-Year-Old Story
emancipation illustration from Harper's Weekly
President Lincoln signs the Emancipation Proclamation, 150 years ago
Brigham Young: Pioneer Prophet, by John G. Turner book Cover.
He Led His People Into the Desert
State of War: The Political Economy of American Warfare, 1945-2011, by Paul A. C. Koistinen Book Cover.
The Anatomy of the Military-Industrial Complex
In the Beginning: Fundamentalism, The Scopes Trial, and the Making of the Antievolution Movement, by Michael Lienesch Book Cover.
In the Beginning: Fundamentalism, The Scopes Trial, and the Making of the Antievolution Movement
'What Hath God Wrought?': The Transformation of America, 1815-1848, by Daniel Walker Howe Book Cover.
Mr. Bush Meet Mr. Jackson
The Works Progress Administration employed some Spanish-Americans from New Mexico, as seen here, to work in road gangs.
When Affirmative Action Was White: An Untold History of Racial Inequality in Twentieth-Century America
Logo of General Motors.svg
The Federal Government Should Hold On To General Motors
Elderly Mennonite couple in Pennsylvania.
Should Age Matter? How 65 Came to Be Old and Old Came to Be Ill
Centennial Seal of the Land Grant Colleges
The 1862 Morrill Act Honored the Liberal Arts As Well As Technical Education