What was closed when they opened the new Immigration Office on Ellis Island?

Answer 1

Prior to 1890, the individual states (rather than the Federal government) regulated immigration into the United States. Castle Garden in the Battery (originally known as Castle Clinton) served as the New York State immigration station from 1855 to 1890 and approximately eight million immigrants, mostly from Northern and Western Europe, passed through its doors.

Answer 2

with all these individual questions on Ellis Island that you are posting, it would be a lot faster for you if you simply google Ellis Island. There are some major sites that have most of your answers.