Answer:
It was extramly dangerous to travel by wagon, there was the threat of bandits, native american tribes, and Buffalo, plus added diseases and weather conditions, when the train was invented and used for civilian use after the American civil war, railways were built from the east and mid-west to the west, they were deamed more safe and it was a faster way to travel
B. an elected school board
The allied powers used land as their mail gorund to fight on while the germans used the sea as a sneek attack bc the allied powers didn't see it coming that is how the ussr was sank bc of a surpisre attack from the Germans .