What kind of process did most new immigrants have go through at Ellis Island? a process of being detained for weeks until they were declared free of contagious diseases
a religious test to determine whether they were Christians
a physical exam and rigorous questioning to determine their fitness for American life
a process by which they had to work to earn their passage to the United States

1) A process of being detained for weeks until they were declared free of contagious diseases.

Explanation:

New immigrants at Ellis Island were often detained and checked multiple times for potential foreign disease, with some even being detained for months on end. This is noted with incidences of deportation of those that were deemed "too dangerous" to enter the states.

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