40
Lesson 40 of 84 · American Revolution
The Declaration of Independence: Key Ideas
The Roman Empire spread across Europe, North Africa, and the Middle East. Rome built roads, aqueducts, and legal systems. Architectural innovations like the arch and dome still influence building today.
Key Facts
1
Timelines show events in order.
2
Cause and effect explain why things happen.
3
Oral histories preserve community stories.
Timeline
1492
Christopher Columbus reaches the Americas
1607
Jamestown, the first permanent English settlement, is founded
1620
The Pilgrims land at Plymouth Rock
Check Your Understanding
Question 1
1 of 2Which is a secondary source?