4

After the American Civil War

4

Famous Americans: Thomas Jefferson

4

Early North American Settlers

4

Famous Americans: Abraham Lincoln

4

The American Revolution

2

American Football

4

The American Civil War

4

Famous Americans: George Washington

4

From the American Revolution to the Civil War

4

Early Native Americans

4

Famous Americans: Benjamin Franklin

3

Kwanzaa

4

Chip's Tips on United States

4

Maddy's Oklahoma Diary

3

Thurgood Marshall

3

Trenches of the World

4

Gateway Arch

4

Hoover Dam

4

Maddy's Rhode Island Diary

4

Maddy's North Carolina Diary

4

Maddy's Montana Diary

3

Helen Keller

4

Maddy's Iowa Diary

4

Maddy's Utah Diary

3

The Three Little Pigs

2

Country Flags of Oceania

4

Maddy's New Mexico Diary

4

Maddy's Idaho Diary

4

Yellowstone National Park

4

America in the 20th Century