40
Lesson 40 of 84 · History
Ancient Civilizations: Mesopotamia
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
1620
The Pilgrims land at Plymouth Rock
1776
The Declaration of Independence is signed
1787
The U.S. Constitution is written
Check Your Understanding
Question 1
1 of 2Which is a secondary source?