80
Lesson 80 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
Timelines show events in order.
2
Cause and effect explain why things happen.
3
Oral histories preserve community stories.
Check Your Understanding
Question 1
1 of 2Which is a secondary source?