25
Lesson 25 of 84 · The Civil War
The 13th Amendment Ends Slavery
The Space Race led to remarkable achievements. The Soviet Union launched Sputnik in 1957. The U.S. landed astronauts on the Moon in 1969.
Key Facts
1
Timelines show events in order.
2
Cause and effect explain why things happen.
3
Oral histories preserve community stories.
Timeline
1861
The Civil War begins
1865
The Civil War ends; slavery is abolished
1869
The Transcontinental Railroad is completed
Check Your Understanding
Question 1
1 of 2Which is a secondary source?