This document provides an overview of Unit 1 which covers several topics including human migrations, ancient civilizations like Bantu migrations and classical societies in China, India, and the Mediterranean region. It also mentions Alexander the Great, the Silk Roads, and the fall of the Roman Empire which were influential in these early civilizations.

1. Unit 1 Overview

2. Human Migrations

3. Ancient Civilizations

4. Ancient Civilizations

5. Bantu Migrations

6. Classical China

7. Classical India

8. Mediterranean

9. Mediterranean

10. Alexander the Great

11. Silk Roads

12. Fall of Roman Empire