Both
Bleeding Kansas
Lush soil
Secessionists
War
Dilemmas such as land shortages, religious persecution, crop failure, and unability of landing (a) job (s), increasing rate of taxes, and famine, caused many immigrants to settle in the U. S. because it was perceived as the land of economic opportunity. Especially in the urban areas, where immigrants could experience a new era of industrial change. (Second Industrial Revolution)
This movement of immigrating to urban areas in the late 1800s and early 1900s is now known as the urbanization.
Annual poll tax
Literacy test
I found that James Madison opposed debt assumption with support of the South because the South had already paid off a significant amount of their debt. So I would that the answer is The South, or James Madison.
Hope I could help.