Translation of Ergänzung

The lack of political stability is not new to South America and I believe that the different views among them added up so much that conflicts are not avoidable anymore. Look for example what happened.
The intolerance between them rose. The Dutch population feared assaults by their neighbors and thus kept away from personal contact with anybody who was not Dutch. Clearly this issue disappeared.
We landed at the same airport were we have started our trip three weeks earlier (before continuing to Cambodia), however this time we would stay for two days in the city. We were back in SE Asia.