Translation of salzhaltig

I hope you could understand my last letter to you. You see, when I write in Spanish I am not very confident. I always question myself and each and every sentence takes about fifteen minutes.
For example, there are many regions in the United States in which only few African-Americans live. Somehow intolerance is the biggest there, because the citizens there are not used to foreigners.
You come to a point where you have seen just enough, loved it and are ready to move on. It was one more ugly train ride to Hanoi. The train started rolling on time and we slept in our cabin again.