Help me please going to fail mark braileast :>

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.

Iron making developed in china almost a thousand years later than in the middle east. true false

Who was the last of the "good empire" a: commodus c: marcus aurelius b: trajan d: julius caesar