| Answer | Crossword Clue |
|---|---|
| PAN | ...-American Union. |
| OAS | Pan-American Union successor (abbr.) |
| DEBS | First American Railway Union president |
| AUK | Symbol of the American Ornithologists' Union |
| OAS | Successor to the Pan-American Union |
| OAS | Org. that evolved from the Pan American Union |
| QUITO | Headquarters of the Union of South American Nations |
