Answer:
Helped with transportation of goods and people.
Explanation:
The transportation of goods made it easier to take food it other things across the states and could even carry people to other states faster than horseback or any other mode at that time.
I believe that the United States had no imperialistic motives for entering WWII. Because Great Britain, Russia, and Germany all used to be empires at some point in their history, and they might have wanted to become empires again, whereas America had no such wishes.
It's the day of great significance in South Africa because of the two wars that they had: The battle of Blood River in 1838 between the voortrekkers and the Zulus.
Hope this helps!