Unit 3 Vocab Review Part 1

6. the belt of dry and semi-arid land that extends across Afroeurasia from the Sahara Desert in the west to Manchuria in northern China
11. people who depend on domestic livestock, migrate in an established territory to find pasture for their animals
12. a person who was able to read and write, allowing for the creation of written records and messages
13. a person who worked as a farmer, builder, or general worker during Era 2.
14. an order of social classes with producers at the bottom and leaders or kings at the top
17. The world's longest river, which flows northward through East Africa in the Mediterranean Sea
18. action or process that makes something stronger or more extreme; the process of change and growth in Era 2

1. the process of changing plants or animals to make them more useful to humans
2. the civilization that developed around the Tigris and Euphrates rivers around 3500 BC/BCE.
3. facts or information that can be used to test whether a belief or proposition is true or valid
4. a way of life where a group of people survives from the secondary products of herds. People follow patterns of grazing to keep their herds alive.
5. a vast grassland
7. a type of society characterized by many things
8. an organizing structure where the main unit has the power, right, and ability to control smaller units
9. large groups of domesticated animals like sheep or goats
10. a representation of an event from the past that is put together using evidence from multiple sources
15. a form of writing developed by the Sumerians using a wedge shaped stylus and clay tablets
16. writing system that uses symbols or pictures to denote objects, concepts, or sounds, originally and especially in the writing system of Ancient Egypt
17. having no fixed home and move from place to place in search of food, water, and grazing land