4

Famous Americans: Abraham Lincoln

4

History of the United States

4

Maddy's Nebraska Diary

4

An Introduction to the History of the United States of America

4

The American Civil War

4

After the American Civil War

4

Maddy's Illinois Diary

4

Money

3

Thanksgiving Day

4

The White House

4

Chip's Tips on United States

4

Things to See in New York City

4

Maddy's South Dakota Diary

3

Martin Luther King, Jr.

4

Mount Rushmore

4

Maddy's Kentucky Diary

4

Maddy's Washington, D.C. Diary