Answer:
songhai society traditionally was highly structured, comprising a king and nobility, free commoners, artisans, griots (bards and chroniclers, and slaves. marriage could be polygnous, cross cousins being preferred partners. So basically it was a strange little society.
Answer:
A. The availability of fertile land was limited.
Explanation:
Before 1840s, poor farmers of the South were the ones that lived from small and poor lands, and did not have slaves. On the other hand, some plantation owners lived from big and rich plantations, owning many slaves. They produced their own food and dedicated some part of the land to produce cotton, sugar and tobacco for export. But eventually, these lands lost their fertility, and the plantation had to be moved to different land in the west.
Depending on the exact time, most native american populations declined due to wars with the British and Americans. Diseases and epidemics would also take many lives at that time. Hope this helps.