Main content
US history
4,300 possible mastery points
Mastered
Proficient
Familiar
Attempted
Not started
Quiz
Unit test
A brief introduction to US history
The United States of America is a nation with a rich history and a noble goal: government of the people, by the people, for the people. Its citizens' struggle to achieve that goal is a dramatic story stretching over hundreds of years.
Mastery unavailable