| Answer | Crossword Clue |
|---|---|
| GREATLAKES | Quintet on the U.S. border |
| IOOOISLANDS | Resort area on the U.S.-Canada border |
| SOO | Canals on U.S. border |
| ERIE | Part of the U.S. border. |
| ERIE | Part of the U.S.-Canada border |
| SEIS | Número of Mexican states that border the U.S. |
| ELNORTE | The U.S., south of the U.S. border |
| SEIS | Numero of Mexican states that border the U.S. |
| OREGON | ... Treaty, establishing the 49th parallel as a U.S. border |
