Who won the civil war

Which of the following american companies had a monopoly in the late 1800s?

How does the concept of competition relate to the arms race between the us and the soviet union during the cold war?

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.