Translation of instancia

I understood that this was a real problem in this country and many foreigners came for sex tourism. Many bad stories had happened but my hosts were decent people. I could tell that right away.
If that gets out of control (riots or support for radicals), there may flourish a steady ground on which the mentioned could reoccur. Then after a while this turns to be nationalism on a larger scale.
We went back and took our bags from the travel agent, where we left them earlier. We wanted to catch the bus back to the station before darkness, as we knew that people drove crazy over there.