61
Lesson 61 of 84 · U.S. History
The End of the Cold War
Oral history preserves spoken memories and stories. It captures voices that might not appear in written records, enriching our understanding of the past.
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.
Timeline
1803
The Louisiana Purchase doubles the size of the U.S.
1861
The Civil War begins
1865
The Civil War ends; slavery is abolished
Check Your Understanding
Question 1
1 of 2What is a primary source?