Why did both the americans and british bring german survivors to the camp sites? (holocaust)

Because horses are quiet and strong.

Explanation:

If the were to use a vehicle it would make noise and the opsing team would hear it and break it and horses they would be able to carry it but they are more queit and harder to notice and if the horse its self is seen then most likely thye will mistake them as a animal ecpeacally if its dark outside.