Photo Credits & Sources from left to right:

• Mayflower Replica, Plymouth , MA (photograph by Michelle Craig McDonald)
• “Joseph Nez Perce,” Edward S. Curtis Collection, Library of Congress
• “Am I Not a Man and a Brother,” University of Virginia Digitized Slavery Collection
• Statue of Liberty , from National Park Service Public Domain Collection
• “Dressmaking Class,” from the Ansel Adams Manzanar Collection, Library of Congress
• Kids Today in Pool, Philadelphia , PA (photograph by Michelle Craig McDonald)