| Answer | Crossword Clue |
|---|---|
| SUMERIAN | World's earliest known civilization |
| SUMERIAN | World's oldest known civilization. |
| Answer | Crossword Clue |
|---|---|
| SUMERIAN | World's earliest known civilization |
| SUMERIAN | World's oldest known civilization. |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.