| 1 | A pawn automatically promotes when it reaches the eighth rank. | |
| 2 | But the eighth most-important invention of all time? | |
| 3 | In Unit Eight we looked at the differences between and (bat/bet). | |
| 4 | Mel:We do. Look, on the bottom of page eight. | |
| 5 | Our index still has Norway as number one but America drops to eighth. |