What were the three requirements immigrants needed to enter through Ellis island?

Immigrants entering through Ellis Island had to meet three main requirements: first, they needed to pass a medical examination to ensure they were not carrying contagious diseases. Second, they had to demonstrate their ability to support themselves financially, usually by showing they had a job lined up or sufficient funds. Finally, they were required to provide proof of their identity and legal status, ensuring they were not criminals or undesirable individuals.