The answer is Bone strengthening
It provides an interesting firsthand experience of an immigrant who "did get through" Ellis Island.
I was stuck between the first one and the last one, but i finally chose the last one. Idk if it's right or not, i'm sorry.
I think it's A hopefully my answer was helpful?
another way to get answers how cool is that
i have learned something new ;D
It should be number 4 (before…) honey
