Translation of departamental

I congratulate you on your move to become a private Spanish teacher. People need to believe in you and the most important thing is that you need to believe in yourself. It won't be easy at the beginning.
While time is a great healer, it is very difficult and not necessarily advisable for a country to forget its past, therefore history always keeps the tensions to others alive. I will explain.
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.