Both are Immigrants stations
Yes, Staten Island is an island.
no it is connected to usa and touching Connecticut
ellis island opened in 1892 as a federal immigration station,a purpose it served for many than 60 years.
The importance of both islands vary. While ellis island has almost 40% of the u.s. Population, but angel island had several come thoughts its centre.
Visit Ellis Island in New York City
Ellis Island Family Heritage Awards
History of the Statue of Liberty
Visit the Statue of Liberty in New York City