| Answer | Crossword Clue |
|---|---|
| STONEAGE | Period in human culture. |
| IRONAGE | Period of human culture. |
| STONEAGE | Period of human culture. |
| STONEAGE | First known period of human culture. |
| EOLITHIC | Related to the earliest period of human culture |
| RENAISSANCE | Important period in European culture. |
| IRONAGE | Period in human history |
| IRONAGE | Period in human development |
| IRONAGE | Early period in human history |
| IRONAGE | Period in human history after bronze was supplanted in toolmaking |
