Translation of Erwärmung

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.
Every school has some narrow minded teachers who are not willing in investing in progressive educational process. They do not grasp that schooling methods today are different from last century's methods.
It was a good way of starting the trip. A ferry ride across the beautiful water, a beer in one hand and the unknown adventure lying ahead. I had to look for a place to sleep and checked a few hostels.