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.
Answer:
Settling the Borderlands As conquistadors explored new territories, they claimed the areas for Spain. By 1600, the Spanish borderlands extended west from Florida across present-day Texas, New Mexico, Arizona, and California. At first, Spain did little to encourage settlement in these far-flung areas.