Translation of untergehen

This is almost six hours, a long time for someone who has children and a day job. I recommend that we write eachother shorter emails and in both languages. Spanish and English next to eachother.
The intolerance between them rose. The Dutch population feared assaults by their neighbors and thus kept away from personal contact with anybody who was not Dutch. Clearly this issue disappeared.
We started to look for other options and found the Salvation Army Boot lodge, which had much larger rooms for half the price. The second and third night we would stay there before moving on.