This is the 16584th most frequent Polish word.
wojskami
"By the armies" or "with the armies" (instrumental plural of "wojska").
In this sentence, the instrumental plural of 'wojsko' is used to refer to the means or agency through which an action is realized.
Dowódca kierował wojskami na polu bitwy.
The commander led the troops on the battlefield.
Here, 'wojskami' represents the group of soldiers serving as participants in the exercises.
Ćwiczenia wojskami odbywały się na rozległym poligonie.
Military exercises with the troops were taking place on a vast training ground.
In this sentence, 'wojskami' indicates collaboration facilitated through the military units.