5
Lesson 5 of 84 · Rules and Safety
Rules Keep Us Safe
Ancient Mesopotamia, between the Tigris and Euphrates rivers, is called the cradle of civilization. The Sumerians invented writing, the wheel, and early forms of government around 3500 BCE.
Key Facts
1
Communities work together.
2
Everyone is important.
3
We can make good choices.
Check Your Understanding
Question 1
1 of 2What can you do to help others?