Translation of Didaktik

There is a small misunderstanding about the homework. I can do them, but they will be too confusing? I am trying to find the article from where I took the sentences in order to ease the task for all students.
There are changes in regulations for people who wish to travel to Eastern Europe. This is advantageous. In the U.S., as in every country in the world, there are positive and negative changes.
Of course I understand the reasons. I live in Thun, which is not far from Bern, our capital city. How come your Spanish is so good? Have you ever been to Switzerland. You are most welcome.