The American blacks emigrate from the South to the North from 1865 to 1915 in order to ___

The nearest black holes are hundreds of light years away from us.A．RightB．WrongC．Not menti

Today black children in South Africa are still reluctant to study subjects from which the

______was the first American black woman who published her collection of poems.A．Phillis W

______ is the first American black writer who wins Nobel Prize of literature.A．Alice Walke

In American literary history,______ is the first black female poet who published her colle

The number of the Representatives from each American state depends on the statesA．contribu