| Answer | Crossword Clue |
|---|---|
| MILLENNIA | Most of us have lived in two of them |
| superpowers | A very powerful and influential nation (used esp. with reference to the US and the former Soviet Union when these were perceived as the two most powerful nations in the world) |
| superpower | A very powerful and influential nation (used esp. with reference to the US and the former Soviet Union when these were perceived as the two most powerful nations in the world) |
