Excuse my English it's my second language, I believe that United states forgin policy is based on imperialism, At this point Canada Germany Japan very much all of EU is US's little empire, even though it's separate political superpowers but most of leaders has usa backed support.
Why would a child be sent home in Ellis Island?
If immigrants had any of the diseases proscribed by the immigration laws, or were too ill or feeble-minded to earn a living, they would be deported. Sick children age 12 or older were sent back to Europe alone and were released in the port from which they had come. So It seems A is the right anwser.
Which following are you reffering to? Be more specific.
Answer:
it made it easier to get in and out of the mission.
it made it easier to recive supplies and goods
(ALL OF THEM)