| A | B |
|---|
| Barbed Wire | Wire fence with sharp points |
| Steel Plow | Used in farming to break up tough soil |
| Dry farming | Farming technique that uses little natural rainfall; helped to maintain moisture in the ground |
| Sod Houses | Houses built with squares of soil and grass |
| Beef Cattle Raising | Raising cows for the purpose of eating or selling the meat |
| Wheat | Using dry farming techniques made it possible to grow this |
| Windmills | Takes wind and converts it into energy (water-pumping windmills) |
| Railroads | Steam powered trains allow for transportation across the U.S. |
