To end slavery and racism, It abolished slavery, but still people were racist so they set up Jim Crow laws of segregation. And people still are racist
Answer:
One advantage of having representation from districts within a state is that it allows for each of the smaller districts views to be expressed. This is important because i representative of a mostly city district near the mountians is not likely to know what a rural district needs.
The answer is probably either a monarchy or a dictatorship