These African Americans who settled in the plains region of the United States were known as Exodusters.
I hope this helps!
In The Red Badge of Courage Henry left the man behind because he was not wounded and had at that point been jaded by the experience of war and couldn't stand being around the sight of the tattered man any longer. Everything the man said just reminded Henry of the Atrocities he had witness and pushed him deeper into a sense of isolation and a desire to escape.
It is mainly due to World War II and the Chinese had no choice but to escape from China to Malaysia to make a living there. I am a Chinese from Malaysia and I hope this helps.
