43
Lesson 43 of 84 · Using Sources
Maps as Primary Sources
Historical maps show how people understood geography, borders, and territories at a specific time. Comparing old and modern maps shows how knowledge changed.
Key Facts
1
Secondary sources interpret the past.
2
Bias can affect any source.
3
Citing sources gives credit.
Check Your Understanding
Question 1
1 of 2Why do we study history?