Translation of homomorphism in German

We had three more days and the city which was plenty of time if not even too much. It is true that this city is unique and that you can spend there over a month, but we started to miss the countryside.
In the end of the day we went to visit the Vietnam war museum. It is actually called the American war museum. It gives the Western visitors a different point of view of the events forty years ago.
The town on the other side of the border is called Arica. You immediately see the difference to Peru. Fast food chains, brand names and modern stores appear all over the city.