Translation of justificable

We arrived at my Casa, a private home with an extra place that the family rented. I sat down and they gave me a drink. They explained me that they wanted me to stay at another house for some reason.
Usually in a place with a homegenous society hatred towards foreigners can grow much more easy as a small disturbance to the homogenity may upset the entire society. People are not used to changes.
This province was only one mile away from China and one could see the border control. From there it was a bus ride up the hill, about an hour or so passed and we arrived at our final destination.