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Lesson 16 of 84 · Westward Expansion
The Gadsden Purchase
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.
Check Your Understanding
Question 1
1 of 2What is a primary source?