Translation of Nordamerika

The reason for this behavior may be a reflection of the geographical and geological structure of the state: A lot of high mountains and valleys prevent easy travelling to the neighbors surrounding it.
He advised against traveling in this region at night as they were many violent robberies and one should return before dusk. He told me that he himself got robbed about two months earlier just here.
We returned before dusk, as we were afraid of not finding our ship in the dark. Once on the ship we decided to go for night swimming again in the open ocean. A few women on little boats approached us.