| to today | 19 | temporal |
| to recent civilization | 14 | other |
| particularly | 11 | degree |
| history → be → relevant | 123 |
| history → be → pertinent | 6 |
| history → be → applicable | 3 |
| negative | neutral | positive |
| 0.118 | 0.507 | 0.375 |
| Raw frequency | 132 |
| Normalized frequency | 0.718 |
| Modifier score | 0.720 |
| Perplexity | 138.421 |