What was the worst part for Elie Wiesel and his family on the cattle cars?

Answer 1

The aspect of a murder of his family along with thousand of a people in a fire and latter turned into smoke under a silence sky and when Wiesel's soul and his dream turned into ashes.

Answer 2

The worst part for Elie Wiesel and his family on the cattle cars was the inhumane conditions they were subjected to, including overcrowding, lack of food and water, and extreme heat with no ventilation. They were dehumanized and stripped of their dignity during the long and brutal journey to the concentration camps.