51
Lesson 51 of 84 · U.S. History
The Roaring Twenties
Ellis Island processed over 12 million immigrants between 1892 and 1954. People from Europe arrived seeking a better life, carrying little more than hope and determination.
Key Facts
1
Primary sources come from the time of the event.
2
Historians use evidence to support claims.
3
Timelines show events in order.
Check Your Understanding
Question 1
1 of 2What is a primary source?