Yes I think the answer is B concrete.
The importance of Ellis Island is the correct answer.
Answer:
Explanation: The Ottoman Empire began at the very end of the 13th century with a series of raids from Turkic warriors (known as ghazis) led by Osman I, a prince (bey) whose father, Ertugrul, had established a power base in Söğüt (near Bursa, Turkey).
America should be a melting pot because with more and more ethnic entities, a lot of people have learned to be open minded, and have learned to respect and learn about other cultures. It also provides workers to boost the American economy. Illegal immigrants or not.
Hope this helped!
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