What are some hardships faced by the danish people because of war?

Meeee i’m in need of answerering this

[he] let his gaze wander to the swirling water of the stream racing madly beneath his feet. a piece of dancing driftwood caught his attention and his eyes followed it down the current. how slowly it appeared to move! what a sluggish stream! what contrasting words are used to describe the stream in this passage?

Which verb from is used to indicate the perfect progressive tense