| A | B |
|---|
| Elias Howe | Invented the sewing machine |
| John Deere | Invented the steel plow |
| Cyrus McCormick | Invented the mechanical reaper |
| Samuel Morse | Invented the telegraph and "morse code" |
| early 1800s | when first railroads were made in the U.S. |
| Rocket and Tom Thumb | Early steam-powered engines |
| clipper ships | sleek vessels with tall masts and huge sails |
| 81 days | length of time a clipper ship traveled from New york to Hong Kong in the 1840s |
| steamships | first launched by the British in the 1850s |
| Commodore Perry | First American to gain trade with Japan in 1854 |
| Steam power | In the 1830s factories in the U.S. began using this |
| lower prices | result of new machines that produced goods more quickly |
