30
Lesson 30 of 84 · World History
Globalization in the Modern World
Archaeology studies human history through excavation of artifacts, buildings, and physical remains. Archaeologists piece together stories from objects left behind long ago.
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?