Translation of Fachwissen in German-English

One of the most difficult problems I have (and I am sure that others have it too) is getting used to the superficiality of the life in the US. To be superficial means to me not to be able to recognize.
Most are able to overcome their fears and to overcome their ignorance, if they want to. The subject that i am writing about is also an important factor in history since history consists of conflicts.
I connected to a group of people and we played some volleyball, had some drinks and they told me a little about the place and the country in general. I returned to the hostel and took a cold shower.