| Answer | Crossword Clue |
|---|---|
| STEEL | A leading U. S. industry. |
| BOSTON | A leading U. S. port. |
| TRABERT | A leading U. S. tennis player. |
| STEEL | U.S. industry. |
| COAL | Key U. S. industry. |
| FILMS | Important U. S. industry. |
| SPONGES | U. S. gulf-coast industry. |
| SLATER | Pioneer in U.S. cotton industry |
| HENS | Backbone of large U. S. agricultural industry. |
| BOSTON | Leading U.S. port. |
| SOYBEAN | Third-leading U.S. crop behind corn and wheat |
| GARBO | Classic leading lady honored on both U.S. and Swedish postage |
