Why did austria and hungary join ww1?

What was president nixon’s approach of using tension between us and other nations

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.

Who rejected the final compromise effort to stop the session movement?