| A | B |
| developments | steps or phases in growth, progress, advancement, etc. |
| exchange | to give one thing in return for another; to trade |
| incredible | unbelievable; too extraordinary to seem possible |
| insignificant | having little or no importance; minor |
| astonishment | sudden wonder or surprise; amazement |
| refer | to mention; to direct attention to |
| reflect | to consider seriously; to study thoughtfully |
| regiment | a unit of soliders commanded by a colonel and consisting of a number of companies |
| troops | armed soldiers |
| merely | nothing more than; simply; only |