Study this passage.
The migration or importation of such persons as any of the States now existing . . . shall not be prohibited by the Congress prior to the year 1808.

What legislation does the passage address?

Select the best answer from the choices provided.
A.the continuation of importing enslaved Africans to the U.S.
B.the end of the international slave trade
C.the end of slavery in the northern U.S.
D.the spread of slavery to the western states