1. 2a: Physical features and climate of the Great Plains Flatlands that rise gradually from east to west

2. 2a: Physical features and climate of the Great Plains Land eroded by wind and water.

3. 2a: Physical features and climate of the Great Plains Low rainfall.

4. 2a: Physical features and climate of the Great Plains Frequent dust storms

5. 2a Because of new technologies, people saw the Great Plains not as a “treeless wasteland” but as a vast area to be settled.

6. 2a: Inventions and adaptations Barbed wire

7. 2a: Inventions and adaptations Steel Plows

8. 2a: Inventions and adaptations Dry farming

9. 2a: Inventions and adaptations Sod houses

10. 2a: Inventions and adaptations Beef cattle raising

11. 2a: Inventions and adaptations Wheat farming

12. 2a: Inventions and adaptations Windmills

13. 2a: Inventions and adaptations Railroads