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Lesson 16 of 84 · World History
The Age of Exploration
The Constitutional Convention of 1787 produced the U.S. Constitution after months of debate. Delegates in Philadelphia created a framework of government with checks and balances.
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
1791
The Bill of Rights is ratified
1803
The Louisiana Purchase doubles the size of the U.S.
1861
The Civil War begins
Check Your Understanding
Question 1
1 of 2What is a primary source?