This was in response to the flood of immigrants fleeing persecution in Eastern and Central Europe. Twenty million immigrants passed through it before it was closed in 1954.
Citation:
Editors. "Immigration office opened on Ellis Island".
The Literary Encyclopedia. First published 01 February 2010
[http://www.litencyc.com/php/stopics.php?rec=true&UID=5377, accessed 25 May 2013.]