What jobs were available to free african americans in the south? why were these jobs the only ones available?

The 14th amendment overruled the supreme court case of dred scott vs. sandford. the landmark supreme court case determined which of the following points? a. slaves could not be citizens b. non-landowners could not be citizens c. blacks could not be citizens d. all persons born or naturalized in the united states vary differently in citizen status.

Don’t mind the already marked answer but taking it now

The irish and germans of the 1840's were part of the new immigration. true or false