28
Lesson 28 of 84 · World History
The Cold War
Indigenous peoples lived in the Americas for thousands of years before Europeans arrived. They developed diverse cultures, languages, and agricultural systems across the continents.
Key Facts
1
Historians use evidence to support claims.
2
Timelines show events in order.
3
Cause and effect explain why things happen.
Timeline
1776
The Declaration of Independence is signed
1787
The U.S. Constitution is written
1791
The Bill of Rights is ratified
Check Your Understanding
Question 1
1 of 2Why do we study history?