| Clue | Source | Date |
|---|---|---|
| Free movement of people between countries | Newsday | 13 Sep 2023 |
| Op-ed column feature? | LA Times Daily | 04 Aug 2023 |
| Country divider that allows unrestricted travel | LA Times Daily | 04 Apr 2017 |
| Country divider that allows unrestricted travel | The Washington Post | 04 Apr 2017 |