Translation of Kampfeinsatz

After a wonderful mountain breakfast with a hot chocolate drink one can enjoy the view by looking outside the window and seeing the white landscape, high mountains and the sun reflected in the white powder.
We begin to talk about 'we' and 'they', which makes us partly discriminating. As a whole, I guess that all of us have some predispositions, but the difference is, that some know how to supress it.
We had to be careful of not falling into the water. We rowed for about an hour and we got tired pretty easily. Especially the other man and woman looked devastated, at the limit of their physical capabilities.