| Answer | Crossword Clue |
|---|---|
| IRONAGE | Period in human development |
| THEUN | Human Development Report publisher, in brief |
| FETAL | Kind of stage, in human development |
| STAGE | Period in development. |
| ATASTAGE | In a period of development. |
| STONEAGE | Period in human culture. |
| IRONAGE | Period in human history |
| IRONAGE | Early period in human history |
| IRONAGE | Period in human history after bronze was supplanted in toolmaking |
