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Lesson 33 of 84 · Westward Expansion
Manifest Destiny: The Idea of Westward Expansion
History is the study of past events and the people, ideas, and forces that shaped them. By studying history, we understand how the world came to be and learn lessons for the future.
Key Facts
1
Historians use evidence to support claims.
2
Timelines show events in order.
3
Cause and effect explain why things happen.
Check Your Understanding
Question 1
1 of 2Why do we study history?