Can anyone help me please?

Between the world wars eisenhower's presidency the 1960s what is the organizing principle of this list?

Which factor best suggests a cause for the urban problems shown in this table? (3 points) increasing discriminatory housing practices shifting population density gradients over time declining urban renewal efforts by city governments declining basic employment sector in industrial cities increasing gentrification efforts in the inner cities

2. what was the dred scott decision about? what do we learn from this supreme court case?