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Lesson 10 of 84 · American Revolution
Valley Forge: A Winter of Hardship
During medieval Europe, feudalism organized society into lords, vassals, and serfs. Castles dotted the landscape, and the Catholic Church played a central role in daily life.
Key Facts
1
Timelines show events in order.
2
Cause and effect explain why things happen.
3
Oral histories preserve community stories.
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 2Which is a secondary source?