The answer is true because the center of diseases always tries to spread
They probably have higher patriotism
The nuremberg laws were anti-Jew laws, so if you were Jewish, you either would have to change your religion, or you would be punsished. It would not really affect you if you are not jewish.
B.) The pioneers crossed the mountains in late fall when the trees were bare and the views were good.
The trail was arduous and snaked through a large area until Oregon. So, the pioneers had to consider weather conditions to move, or the trail would turn into worst with the snow.
