Concurrent powers are powers that are shared by both the State and the federal government. These powers may be exercised simultaneously within the same territory and in relation to the same body of citizens. These concurrent powers including regulating elections, taxing, borrowing money and establishing courts.
Hope it helps :P :)
Up to this date there is no evidence about what happened to the lost colony.
It was the Civil rights Act of 1866 that was passed by Congress to protect the voting rights of blacks in the South, although it wasn’t very effective, because it couldn't be enforced.
I believe it's A. the others one's seem less likely.