Alikely reason the majority of immigrants who passed through ellis island were european, while the majority who passed through angel island were asian is
new york and san francisco have different climates.
more european than asian immigrants wanted to go to new york.
more asian than european immigrants wanted to go to san francisco.
new york is closer to europe, and san francisco is closer to asia.

New York is closer to Europe, and San Francisco is closer to Asia.

Immigration centers were built on both sides of the US to accommodate flows of immigrants coming into major ports.

Geographically, Asia is closer to California and San Francisco was built as a immigration port for Asian immigrants. Angel Island was not as busy as Ellis Island but did see many Chinese and Japanese immigrants while it was open. Ellis Island, off of New York City, is geographically close to Europe and was a common port for immigrants. Ellis Island processed thousands of immigrants from all over Europe while in operation.

The correct answer is the 4th option. Just took the test