Aider moi s'il vous plait pour l'exercice 3 s'il vous plait Merci d'avance

1-who was ellis' island named after?
2-for how long was it used as an immigration station?
3- how many immigrants had arrived in 1900?
4-how many hours did it take to get throught the formalities?
5-why were there 2% of the immigrants that weren't accepted in the us?

Voila ;)