What Was the Wild West?
Janet B. Pascal, Who HQ & Stephen Marchesi
What Is Climate Change?
Gail Herman, Who HQ & John Hinderliter
What Was the Great Chicago Fire?
Janet B. Pascal, Who HQ & Tim Foley
What Is the Declaration of Independence?
Michael C. Harris, Who HQ & Jerry Hoare
What Were the Salem Witch Trials?
Joan Holub, Who HQ & Dede Putra
What Was D-Day?
Patricia Brennan Demuth, Who HQ & David Grayson Kenyon
What Was the Lewis and Clark Expedition?
Judith St. George, Who HQ & Tim Foley
What Is the Panama Canal?
Janet B. Pascal, Who HQ & Tim Foley
What Was Ellis Island?
Patricia Brennan Demuth, Who HQ & David Groff
What Was the Underground Railroad?
Yona Zeldis McDonough, Who HQ & Lauren Mortimer