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Lesson 1 of 84 · Decolonization
Why Europeans Explored the World
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
Primary sources come from the time of the event.
2
Historians use evidence to support claims.
3
Timelines show events in order.
Timeline
1920
Women gain the right to vote (19th Amendment)
1929
The Great Depression begins
1941
The U.S. enters World War II
Check Your Understanding
Question 1
1 of 2What is a primary source?