It will be the federalists
This is a bit subjective, because there are a few ways this sentence could be re-written, however "<span>Tom opened the box and looked into it, only to find it empty" is the most standard. </span>
The answer is drug use among the troops.
Drugs were rampantly used by soldiers to make them fearless, have more energy and renew themselves of their low morale in the battle field. This was highly used even by US soldiers, which in the end became a problem.
