Erwin Rommel he was known as "desert fox" due his victories when he was deployed in Africa
I believe the answer is: Immigrants were associated with anarchism and communism
During that period, united states was involved in the cold war against the Soviet Union. At that time, most people were scared that the agents from communist countries could come into united states through immigration process, which create the anti-immigration hysteria.
Operators of the new railroad lines needed a new time plan that would offer a uniform train schedule for departures and arrivals.
Promote and propagate American involvement in WW1
Bertha was the one who started the fire at thornfield