How Did the Great Migration of Blacks to the North

How did the Great Migration of Blacks to the North affect White immigrants?

A) It improved the status of White immigrants by providing a comparison that made them seem more desirable.
B) It created a sociable environment between immigrant groups and newly arriving Blacks.
C) It created a multicultural community of immigrant Whites and newly arriving Blacks who struggled together against the dominant group.
D) It weakened the status of White immigrants by providing a comparison that made them seem less desirable.
E) White immigrants faced discrimination in the urban North.