Across
- 2. slave who helped Cyrus McCormick invent the reaper
- 6. invented the cotton gin
- 7. someone who is the first to think of something
- 8. someone who wants to make a profit
Down
- 1. This invention provided faster land transportation
- 3. quickly removed the seeds of the cotton plant
- 4. Robert Fulton improved this invention
- 5. horse pulled machine that cut wheat