12
Lesson 12 of 84 · Biographies
Sacagawea: Guide of the Lewis and Clark Expedition
Abraham Lincoln was a president who worked to end slavery. He believed that all people should be free.
Key Facts
1
Artifacts are objects from the past.
2
Oral history is stories told aloud.
3
History is the story of the past.
Check Your Understanding
Question 1
1 of 2What is a timeline?